Q: What is the negative version of the number 21,511,801?
A: -21,511,801
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:
| 21,511,799 | 21,511,800 | 21,511,802 | 21,511,803 |
| -21,511,799 | -21,511,800 | -21,511,802 | -21,511,803 |