Q: What is the negative version of the number 216,606,221?
A: -216,606,221
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:
| 216,606,219 | 216,606,220 | 216,606,222 | 216,606,223 |
| -216,606,219 | -216,606,220 | -216,606,222 | -216,606,223 |