22120033123 has 12 divisors (see below), whose sum is σ = 24070880232. Its totient is φ = 20311066880.

The previous prime is 22120033097. The next prime is 22120033139. The reversal of 22120033123 is 32133002122.

It is a de Polignac number, because none of the positive numbers 2^k-22120033123 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 22120033123.

It is not an unprimeable number, because it can be changed into a prime (22120033193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 921565 + ... + 945262.

It is an arithmetic number, because the mean of its divisors is an integer number (2005906686).

Almost surely, 2^22120033123 is an apocalyptic number.

22120033123 is a deficient number, since it is larger than the sum of its proper divisors (1950847109).

22120033123 is a wasteful number, since it uses less digits than its factorization.

22120033123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866902 (or 1866885 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22120033123 its reverse (32133002122), we get a palindrome (54253035245).

The spelling of 22120033123 in words is "twenty-two billion, one hundred twenty million, thirty-three thousand, one hundred twenty-three".