22112111002122 has 48 divisors (see below), whose sum is σ = 47938894029312. Its totient is φ = 7366194263520.

The previous prime is 22112111002109. The next prime is 22112111002151. The reversal of 22112111002122 is 22120011121122.

22112111002122 is a `hidden beast` number, since 221 + 121 + 110 + 0 + 212 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22112111002095 and 22112111002104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201935847 + ... + 202045317.

It is an arithmetic number, because the mean of its divisors is an integer number (998726958944).

Almost surely, 2^{22112111002122} is an apocalyptic number.

22112111002122 is an abundant number, since it is smaller than the sum of its proper divisors (25826783027190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22112111002122 is a wasteful number, since it uses less digits than its factorization.

22112111002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116243 (or 116240 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22112111002122 its reverse (22120011121122), we get a palindrome (44232122123244).

The spelling of 22112111002122 in words is "twenty-two trillion, one hundred twelve billion, one hundred eleven million, two thousand, one hundred twenty-two".