22112110112001 has 32 divisors (see below), whose sum is σ = 36286882759680. Its totient is φ = 11663420330304.

The previous prime is 22112110111991. The next prime is 22112110112047. The reversal of 22112110112001 is 10021101121122.

It is a happy number.

It is not a de Polignac number, because 22112110112001 - 2⁹ = 22112110111489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22112110116001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34280206 + ... + 34919288.

It is an arithmetic number, because the mean of its divisors is an integer number (1133965086240).

Almost surely, 2^{22112110112001} is an apocalyptic number.

22112110112001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22112110112001 is a deficient number, since it is larger than the sum of its proper divisors (14174772647679).

22112110112001 is a wasteful number, since it uses less digits than its factorization.

22112110112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765845.

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

Adding to 22112110112001 its reverse (10021101121122), we get a palindrome (32133211233123).

The spelling of 22112110112001 in words is "twenty-two trillion, one hundred twelve billion, one hundred ten million, one hundred twelve thousand, one".