22011000221210 has 64 divisors (see below), whose sum is σ = 53195815943424. Its totient is φ = 6332835225600.

The previous prime is 22011000221209. The next prime is 22011000221263. The reversal of 22011000221210 is 1212200011022.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 1099440551 + ... + 1099460570.

It is an arithmetic number, because the mean of its divisors is an integer number (831184624116).

Almost surely, 2^{22011000221210} is an apocalyptic number.

22011000221210 is an abundant number, since it is smaller than the sum of its proper divisors (31184815722214).

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

22011000221210 is a wasteful number, since it uses less digits than its factorization.

22011000221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198901159.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22011000221210 its reverse (1212200011022), we get a palindrome (23223200232232).

The spelling of 22011000221210 in words is "twenty-two trillion, eleven billion, two hundred twenty-one thousand, two hundred ten".