22122103123 has 16 divisors (see below), whose sum is σ = 23935403520. Its totient is φ = 20374631136.

The previous prime is 22122103117. The next prime is 22122103127. The reversal of 22122103123 is 32130122122.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22122103123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 22122103123.

It is not an unprimeable number, because it can be changed into a prime (22122103127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 889686 + ... + 914212.

It is an arithmetic number, because the mean of its divisors is an integer number (1495962720).

Almost surely, 2^22122103123 is an apocalyptic number.

22122103123 is a deficient number, since it is larger than the sum of its proper divisors (1813300397).

22122103123 is a wasteful number, since it uses less digits than its factorization.

22122103123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25866.

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

Adding to 22122103123 its reverse (32130122122), we get a palindrome (54252225245).

The spelling of 22122103123 in words is "twenty-two billion, one hundred twenty-two million, one hundred three thousand, one hundred twenty-three".