22102112222212 has 48 divisors (see below), whose sum is σ = 42248920896000. Its totient is φ = 10033565250560.

The previous prime is 22102112222173. The next prime is 22102112222227. The reversal of 22102112222212 is 21222221120122.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365602164 + ... + 365662612.

It is an arithmetic number, because the mean of its divisors is an integer number (880185852000).

Almost surely, 2^{22102112222212} is an apocalyptic number.

22102112222212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22102112222212 is a deficient number, since it is larger than the sum of its proper divisors (20146808673788).

22102112222212 is a wasteful number, since it uses less digits than its factorization.

22102112222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70956 (or 70954 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 22102112222212 its reverse (21222221120122), we get a palindrome (43324333342334).

The spelling of 22102112222212 in words is "twenty-two trillion, one hundred two billion, one hundred twelve million, two hundred twenty-two thousand, two hundred twelve".