22122102111112 has 16 divisors (see below), whose sum is σ = 41482090918800. Its totient is φ = 11060211199440.

The previous prime is 22122102111089. The next prime is 22122102111139. The reversal of 22122102111112 is 21111120122122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22122102111112.

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, 104870062 + ... + 105080797.

It is an arithmetic number, because the mean of its divisors is an integer number (2592630682425).

Almost surely, 2^{22122102111112} is an apocalyptic number.

It is an amenable number.

22122102111112 is a deficient number, since it is larger than the sum of its proper divisors (19359988807688).

22122102111112 is a wasteful number, since it uses less digits than its factorization.

22122102111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209964036 (or 209964032 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 22122102111112 its reverse (21111120122122), we get a palindrome (43233222233234).

The spelling of 22122102111112 in words is "twenty-two trillion, one hundred twenty-two billion, one hundred two million, one hundred eleven thousand, one hundred twelve".