Q: What is the negative version of the number 171,621,221?
A: -171,621,221
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:
| 171,621,219 | 171,621,220 | 171,621,222 | 171,621,223 |
| -171,621,219 | -171,621,220 | -171,621,222 | -171,621,223 |