22102111112012 has 12 divisors (see below), whose sum is σ = 38938283000400. Its totient is φ = 10976887397616.

The previous prime is 22102111112009. The next prime is 22102111112027. The reversal of 22102111112012 is 21021111120122.

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, 18542038928 + ... + 18542040119.

It is an arithmetic number, because the mean of its divisors is an integer number (3244856916700).

Almost surely, 2^{22102111112012} is an apocalyptic number.

It is an amenable number.

22102111112012 is a deficient number, since it is larger than the sum of its proper divisors (16836171888388).

22102111112012 is a wasteful number, since it uses less digits than its factorization.

22102111112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37084079200 (or 37084079198 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22102111112012 its reverse (21021111120122), we get a palindrome (43123222232134).

It can be divided in two parts, 2 and 2102111112012, that multiplied together give a palindrome (4204222224024).

The spelling of 22102111112012 in words is "twenty-two trillion, one hundred two billion, one hundred eleven million, one hundred twelve thousand, twelve".