22112011121001 has 16 divisors (see below), whose sum is σ = 29498092191744. Its totient is φ = 14733637150464.

The previous prime is 22112011120957. The next prime is 22112011121017. The reversal of 22112011121001 is 10012111021122.

It is a happy number.

It is not a de Polignac number, because 22112011121001 - 2¹⁰ = 22112011119977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22112011121071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51331425 + ... + 51760401.

It is an arithmetic number, because the mean of its divisors is an integer number (1843630761984).

Almost surely, 2^{22112011121001} is an apocalyptic number.

It is an amenable number.

22112011121001 is a deficient number, since it is larger than the sum of its proper divisors (7386081070743).

22112011121001 is a wasteful number, since it uses less digits than its factorization.

22112011121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437920.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 22112011121001 its reverse (10012111021122), we get a palindrome (32124122142123).

The spelling of 22112011121001 in words is "twenty-two trillion, one hundred twelve billion, eleven million, one hundred twenty-one thousand, one".