21103022332200 has 96 divisors (see below), whose sum is σ = 65443171860000. Its totient is φ = 5625425084160.

The previous prime is 21103022332141. The next prime is 21103022332237. The reversal of 21103022332200 is 223322030112.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4747782 + ... + 8046581.

It is an arithmetic number, because the mean of its divisors is an integer number (681699706875).

Almost surely, 2^{21103022332200} is an apocalyptic number.

21103022332200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21103022332200 is an abundant number, since it is smaller than the sum of its proper divisors (44340149527800).

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

21103022332200 is a wasteful number, since it uses less digits than its factorization.

21103022332200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12797131 (or 12797122 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 21103022332200 its reverse (223322030112), we get a palindrome (21326344362312).

The spelling of 21103022332200 in words is "twenty-one trillion, one hundred three billion, twenty-two million, three hundred thirty-two thousand, two hundred".