Q: What is the negative version of the number 21,721,101?
A: -21,721,101
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:
| 21,721,099 | 21,721,100 | 21,721,102 | 21,721,103 |
| -21,721,099 | -21,721,100 | -21,721,102 | -21,721,103 |