22151111115122 has 32 divisors (see below), whose sum is σ = 37825658778240. Its totient is φ = 9630302267520.

The previous prime is 22151111115083. The next prime is 22151111115173.

22151111115122 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22151111115091 and 22151111115100.

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, 6569654 + ... + 9352142.

It is an arithmetic number, because the mean of its divisors is an integer number (1182051836820).

Almost surely, 2^{22151111115122} is an apocalyptic number.

22151111115122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22151111115122 is a deficient number, since it is larger than the sum of its proper divisors (15674547663118).

22151111115122 is a wasteful number, since it uses less digits than its factorization.

22151111115122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798258.

The product of its digits is 400, while the sum is 26.

The spelling of 22151111115122 in words is "twenty-two trillion, one hundred fifty-one billion, one hundred eleven million, one hundred fifteen thousand, one hundred twenty-two".