22122111102220 has 48 divisors (see below), whose sum is σ = 47590881912000. Its totient is φ = 8632771374080.

The previous prime is 22122111102211. The next prime is 22122111102263. The reversal of 22122111102220 is 2220111122122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29642616 + ... + 30379744.

It is an arithmetic number, because the mean of its divisors is an integer number (991476706500).

Almost surely, 2^{22122111102220} is an apocalyptic number.

22122111102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122111102220 is an abundant number, since it is smaller than the sum of its proper divisors (25468770809780).

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

22122111102220 is a wasteful number, since it uses less digits than its factorization.

22122111102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773778 (or 773776 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22122111102220 its reverse (2220111122122), we get a palindrome (24342222224342).

The spelling of 22122111102220 in words is "twenty-two trillion, one hundred twenty-two billion, one hundred eleven million, one hundred two thousand, two hundred twenty".