22112120023 has 4 divisors (see below), whose sum is σ = 25270994320. Its totient is φ = 18953245728.

The previous prime is 22112120021. The next prime is 22112120027. The reversal of 22112120023 is 32002121122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22112120023 - 2¹ = 22112120021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22112119979 and 22112120006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112120021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1579437138 + ... + 1579437151.

It is an arithmetic number, because the mean of its divisors is an integer number (6317748580).

Almost surely, 2^22112120023 is an apocalyptic number.

22112120023 is a deficient number, since it is larger than the sum of its proper divisors (3158874297).

22112120023 is an equidigital number, since it uses as much as digits as its factorization.

22112120023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158874296.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22112120023 its reverse (32002121122), we get a palindrome (54114241145).

The spelling of 22112120023 in words is "twenty-two billion, one hundred twelve million, one hundred twenty thousand, twenty-three".