Q: What is the negative version of the number 21,131,772?
A: -21,131,772
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:
| 21,131,770 | 21,131,771 | 21,131,773 | 21,131,774 |
| -21,131,770 | -21,131,771 | -21,131,773 | -21,131,774 |