22131033123 has 32 divisors (see below), whose sum is σ = 31280220160. Its totient is φ = 13879226880.

The previous prime is 22131033103. The next prime is 22131033151. The reversal of 22131033123 is 32133013122.

It is not a de Polignac number, because 22131033123 - 2⁵ = 22131033091 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 22131033123.

It is not an unprimeable number, because it can be changed into a prime (22131033103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5501853 + ... + 5505873.

It is an arithmetic number, because the mean of its divisors is an integer number (977506880).

Almost surely, 2^22131033123 is an apocalyptic number.

22131033123 is a deficient number, since it is larger than the sum of its proper divisors (9149187037).

22131033123 is a wasteful number, since it uses less digits than its factorization.

22131033123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4699.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 22131033123 its reverse (32133013122), we get a palindrome (54264046245).

The spelling of 22131033123 in words is "twenty-two billion, one hundred thirty-one million, thirty-three thousand, one hundred twenty-three".