Q: What is the negative version of the number 21,210,219?
A: -21,210,219
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:
| 21,210,217 | 21,210,218 | 21,210,220 | 21,210,221 |
| -21,210,217 | -21,210,218 | -21,210,220 | -21,210,221 |