22111203323120 has 20 divisors (see below), whose sum is σ = 51408547726440. Its totient is φ = 8844481329216.

The previous prime is 22111203323063. The next prime is 22111203323123. The reversal of 22111203323120 is 2132330211122.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×22111203323120² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111203323123) 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, 138195020690 + ... + 138195020849.

It is an arithmetic number, because the mean of its divisors is an integer number (2570427386322).

Almost surely, 2^{22111203323120} is an apocalyptic number.

22111203323120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22111203323120 is an abundant number, since it is smaller than the sum of its proper divisors (29297344403320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22111203323120 is a wasteful number, since it uses less digits than its factorization.

22111203323120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276390041552 (or 276390041546 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 22111203323120 its reverse (2132330211122), we get a palindrome (24243533534242).

The spelling of 22111203323120 in words is "twenty-two trillion, one hundred eleven billion, two hundred three million, three hundred twenty-three thousand, one hundred twenty".