22130120123 has 4 divisors (see below), whose sum is σ = 22325962008. Its totient is φ = 21934278240.

The previous prime is 22130120119. The next prime is 22130120179. The reversal of 22130120123 is 32102103122.

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 22130120123 - 2² = 22130120119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22130120113) 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, 97920773 + ... + 97920998.

It is an arithmetic number, because the mean of its divisors is an integer number (5581490502).

Almost surely, 2^22130120123 is an apocalyptic number.

22130120123 is a deficient number, since it is larger than the sum of its proper divisors (195841885).

22130120123 is a wasteful number, since it uses less digits than its factorization.

22130120123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195841884.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22130120123 its reverse (32102103122), we get a palindrome (54232223245).

The spelling of 22130120123 in words is "twenty-two billion, one hundred thirty million, one hundred twenty thousand, one hundred twenty-three".