22112210021012 has 12 divisors (see below), whose sum is σ = 39944637457536. Its totient is φ = 10699456461720.

The previous prime is 22112210020973. The next prime is 22112210021023. The reversal of 22112210021012 is 21012001221122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89162137058 + ... + 89162137305.

It is an arithmetic number, because the mean of its divisors is an integer number (3328719788128).

Almost surely, 2^{22112210021012} is an apocalyptic number.

It is an amenable number.

22112210021012 is a deficient number, since it is larger than the sum of its proper divisors (17832427436524).

22112210021012 is a wasteful number, since it uses less digits than its factorization.

22112210021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178324274398 (or 178324274396 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22112210021012 its reverse (21012001221122), we get a palindrome (43124211242134).

The spelling of 22112210021012 in words is "twenty-two trillion, one hundred twelve billion, two hundred ten million, twenty-one thousand, twelve".