21102223200204 has 96 divisors (see below), whose sum is σ = 49690539360000. Its totient is φ = 6969674649600.

The previous prime is 21102223200167. The next prime is 21102223200229. The reversal of 21102223200204 is 40200232220112.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3441886219 + ... + 3441892349.

It is an arithmetic number, because the mean of its divisors is an integer number (517609785000).

Almost surely, 2^{21102223200204} is an apocalyptic number.

It is an amenable number.

21102223200204 is an abundant number, since it is smaller than the sum of its proper divisors (28588316159796).

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

21102223200204 is a wasteful number, since it uses less digits than its factorization.

21102223200204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9271 (or 9269 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 21102223200204 its reverse (40200232220112), we get a palindrome (61302455420316).

The spelling of 21102223200204 in words is "twenty-one trillion, one hundred two billion, two hundred twenty-three million, two hundred thousand, two hundred four".