122551162011 has 12 divisors (see below), whose sum is σ = 187431189192. Its totient is φ = 76894846656.

The previous prime is 122551162003. The next prime is 122551162033. The reversal of 122551162011 is 110261155221.

It is a happy number.

122551162011 is a `hidden beast` number, since 1 + 2 + 25 + 5 + 1 + 1 + 620 + 11 = 666.

It is not a de Polignac number, because 122551162011 - 2³ = 122551162003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122551161011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 400493841 + ... + 400494146.

It is an arithmetic number, because the mean of its divisors is an integer number (15619265766).

Almost surely, 2^122551162011 is an apocalyptic number.

122551162011 is a deficient number, since it is larger than the sum of its proper divisors (64880027181).

122551162011 is a wasteful number, since it uses less digits than its factorization.

122551162011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800988010 (or 800988007 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

The spelling of 122551162011 in words is "one hundred twenty-two billion, five hundred fifty-one million, one hundred sixty-two thousand, eleven".