202102220101210 has 64 divisors (see below), whose sum is σ = 431614108082304. Its totient is φ = 67166839008000.

The previous prime is 202102220101183. The next prime is 202102220101211. The reversal of 202102220101210 is 12101022201202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (202102220101211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 699510144 + ... + 699799003.

It is an arithmetic number, because the mean of its divisors is an integer number (6743970438786).

Almost surely, 2^{202102220101210} is an apocalyptic number.

202102220101210 is an abundant number, since it is smaller than the sum of its proper divisors (229511887981094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202102220101210 is a wasteful number, since it uses less digits than its factorization.

202102220101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399309279.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202102220101210 its reverse (12101022201202), we get a palindrome (214203242302412).

The spelling of 202102220101210 in words is "two hundred two trillion, one hundred two billion, two hundred twenty million, one hundred one thousand, two hundred ten".