What two numbers add up to 121?

There are infinite combinations of two numbers that add up to 121. Here are some examples using negative numbers:

-1 + 122 = 121
-2 + 123 = 121
-3 + 124 = 121
...

Here are some examples using two fractions that will add up to 121:

121/2 + 121/2 = 121
242/3 + 121/3 = 121
363/4 + 121/4 = 121
...

And here are some examples using two decimal numbers that will add up to 121:

1.25 + 119.75 = 121
2.50 + 118.5 = 121
3.75 + 117.25 = 121
...

As you can see from the lists above, it can go on forever. However, when answering "What two numbers add up to 121?", it may be more interesting to set some criteria to limit the result. We will set the follow criteria:

1) Only positive whole numbers can add up to 121. (0 is not a positive or negative number and should not be included.)

2) Since a+b=29 is the same as b+a=29, we should only list it once.

Now, the answer to "What two numbers add up to 121?" has 60 answers:

1 + 120 = 121
2 + 119 = 121
3 + 118 = 121
.
.
58 + 63 = 121
59 + 62 = 121
60 + 61 = 121

We have truncated the list above due to space, but you may be interested to know that we calculated the number of answers by dividing 121 by 2 and then rounded down to the nearest whole number if necessary.

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What two numbers add up to 122?
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