22112211000120 has 64 divisors (see below), whose sum is σ = 66339723733920. Its totient is φ = 5896314868224.

The previous prime is 22112211000109. The next prime is 22112211000163. The reversal of 22112211000120 is 2100011221122.

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 22112211000120.

It is a congruent number.

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, 1699887 + ... + 6863966.

Almost surely, 2^{22112211000120} is an apocalyptic number.

22112211000120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22112211000120 is an abundant number, since it is smaller than the sum of its proper divisors (44227512733800).

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

22112211000120 is a wasteful number, since it uses less digits than its factorization.

22112211000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8585384 (or 8585380 counting only the distinct ones).

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

Adding to 22112211000120 its reverse (2100011221122), we get a palindrome (24212222221242).

The spelling of 22112211000120 in words is "twenty-two trillion, one hundred twelve billion, two hundred eleven million, one hundred twenty", and thus it is an aban number.