210221201210210 has 16 divisors (see below), whose sum is σ = 380379304392192. Its totient is φ = 83648226658800.

The previous prime is 210221201210179. The next prime is 210221201210257. The reversal of 210221201210210 is 12012102122012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55031726156 + ... + 55031729975.

It is an arithmetic number, because the mean of its divisors is an integer number (23773706524512).

Almost surely, 2^{210221201210210} is an apocalyptic number.

210221201210210 is a deficient number, since it is larger than the sum of its proper divisors (170158103181982).

210221201210210 is a wasteful number, since it uses less digits than its factorization.

210221201210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110063456329.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210221201210210 its reverse (12012102122012), we get a palindrome (222233303332222).

The spelling of 210221201210210 in words is "two hundred ten trillion, two hundred twenty-one billion, two hundred one million, two hundred ten thousand, two hundred ten".