22113221212320 has 192 divisors, whose sum is σ = 81759153482496. Its totient is φ = 4917843763200.

The previous prime is 22113221212297. The next prime is 22113221212387. The reversal of 22113221212320 is 2321212231122.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 88812381 + ... + 89061020.

It is an arithmetic number, because the mean of its divisors is an integer number (425828924388).

Almost surely, 2^{22113221212320} is an apocalyptic number.

22113221212320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22113221212320 is an abundant number, since it is smaller than the sum of its proper divisors (59645932270176).

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

22113221212320 is a wasteful number, since it uses less digits than its factorization.

22113221212320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177873463 (or 177873455 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 22113221212320 its reverse (2321212231122), we get a palindrome (24434433443442).

The spelling of 22113221212320 in words is "twenty-two trillion, one hundred thirteen billion, two hundred twenty-one million, two hundred twelve thousand, three hundred twenty".