Q: What is the negative version of the number 21,921,621?
A: -21,921,621
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:
| 21,921,619 | 21,921,620 | 21,921,622 | 21,921,623 |
| -21,921,619 | -21,921,620 | -21,921,622 | -21,921,623 |