Q: What is the negative version of the number 21,512,611?
A: -21,512,611
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:
| 21,512,609 | 21,512,610 | 21,512,612 | 21,512,613 |
| -21,512,609 | -21,512,610 | -21,512,612 | -21,512,613 |