Q: What is the negative version of the number 21,809,122?
A: -21,809,122
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 21,809,120 | 21,809,121 | 21,809,123 | 21,809,124 |
| -21,809,120 | -21,809,121 | -21,809,123 | -21,809,124 |