22112021122012 has 24 divisors (see below), whose sum is σ = 38725930773936. Its totient is φ = 11047472112768.

The previous prime is 22112021121947. The next prime is 22112021122021. The reversal of 22112021122012 is 21022112021122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33504688 + ... + 34158280.

It is an arithmetic number, because the mean of its divisors is an integer number (1613580448914).

Almost surely, 2^{22112021122012} is an apocalyptic number.

It is an amenable number.

22112021122012 is a deficient number, since it is larger than the sum of its proper divisors (16613909651924).

22112021122012 is a wasteful number, since it uses less digits than its factorization.

22112021122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660117 (or 660115 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22112021122012 its reverse (21022112021122), we get a palindrome (43134133143134).

The spelling of 22112021122012 in words is "twenty-two trillion, one hundred twelve billion, twenty-one million, one hundred twenty-two thousand, twelve".