22112001021210 has 32 divisors (see below), whose sum is σ = 53555672206080. Its totient is φ = 5842436966208.

The previous prime is 22112001021167. The next prime is 22112001021233. The reversal of 22112001021210 is 1212010021122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22112001021210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3381036642 + ... + 3381043181.

It is an arithmetic number, because the mean of its divisors is an integer number (1673614756440).

Almost surely, 2^{22112001021210} is an apocalyptic number.

22112001021210 is an abundant number, since it is smaller than the sum of its proper divisors (31443671184870).

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

22112001021210 is a wasteful number, since it uses less digits than its factorization.

22112001021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6762079942.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22112001021210 its reverse (1212010021122), we get a palindrome (23324011042332).

The spelling of 22112001021210 in words is "twenty-two trillion, one hundred twelve billion, one million, twenty-one thousand, two hundred ten".