22113022123 has 6 divisors (see below), whose sum is σ = 22665520532. Its totient is φ = 21573678480.

The previous prime is 22113022097. The next prime is 22113022159. The reversal of 22113022123 is 32122031122.

It is a de Polignac number, because none of the positive numbers 2^k-22113022123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22113022123.

It is not an unprimeable number, because it can be changed into a prime (22113022163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6575661 + ... + 6579022.

Almost surely, 2^22113022123 is an apocalyptic number.

22113022123 is a deficient number, since it is larger than the sum of its proper divisors (552498409).

22113022123 is an equidigital number, since it uses as much as digits as its factorization.

22113022123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13154765 (or 13154724 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22113022123 its reverse (32122031122), we get a palindrome (54235053245).

It can be divided in two parts, 221130 and 22123, that added together give a triangular number (243253 = T₆₉₇).

The spelling of 22113022123 in words is "twenty-two billion, one hundred thirteen million, twenty-two thousand, one hundred twenty-three".