22110221321220 has 48 divisors (see below), whose sum is σ = 62008957922688. Its totient is φ = 5886502997760.

The previous prime is 22110221321191. The next prime is 22110221321239. The reversal of 22110221321220 is 2212312201122.

22110221321220 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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, 298588336 + ... + 298662375.

It is an arithmetic number, because the mean of its divisors is an integer number (1291853290056).

Almost surely, 2^{22110221321220} is an apocalyptic number.

22110221321220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22110221321220 is an abundant number, since it is smaller than the sum of its proper divisors (39898736601468).

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

22110221321220 is a wasteful number, since it uses less digits than its factorization.

22110221321220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597251340 (or 597251338 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 22110221321220 its reverse (2212312201122), we get a palindrome (24322533522342).

The spelling of 22110221321220 in words is "twenty-two trillion, one hundred ten billion, two hundred twenty-one million, three hundred twenty-one thousand, two hundred twenty".