22112213321220 has 192 divisors, whose sum is σ = 73448726835456. Its totient is φ = 4908853739520.

The previous prime is 22112213321213. The next prime is 22112213321221. The reversal of 22112213321220 is 2212331221122.

It is not an unprimeable number, because it can be changed into a prime (22112213321221) 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 63 ways as a sum of consecutive naturals, for example, 26217097 + ... + 27047376.

It is an arithmetic number, because the mean of its divisors is an integer number (382545452268).

Almost surely, 2^{22112213321220} is an apocalyptic number.

22112213321220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22112213321220 is an abundant number, since it is smaller than the sum of its proper divisors (51336513514236).

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

22112213321220 is a wasteful number, since it uses less digits than its factorization.

22112213321220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53264550 (or 53264548 counting only the distinct ones).

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

Adding to 22112213321220 its reverse (2212331221122), we get a palindrome (24324544542342).

The spelling of 22112213321220 in words is "twenty-two trillion, one hundred twelve billion, two hundred thirteen million, three hundred twenty-one thousand, two hundred twenty".