22123111203 has 8 divisors (see below), whose sum is σ = 32774979600. Its totient is φ = 14748740784.

The previous prime is 22123111169. The next prime is 22123111289. The reversal of 22123111203 is 30211132122.

22123111203 is a `hidden beast` number, since 221 + 231 + 11 + 203 = 666.

It is not a de Polignac number, because 22123111203 - 2²⁴ = 22106333987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22123111103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409687218 + ... + 409687271.

It is an arithmetic number, because the mean of its divisors is an integer number (4096872450).

Almost surely, 2^22123111203 is an apocalyptic number.

22123111203 is a deficient number, since it is larger than the sum of its proper divisors (10651868397).

22123111203 is an equidigital number, since it uses as much as digits as its factorization.

22123111203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819374498 (or 819374492 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 22123111203 its reverse (30211132122), we get a palindrome (52334243325).

The spelling of 22123111203 in words is "twenty-two billion, one hundred twenty-three million, one hundred eleven thousand, two hundred three".