221022200122110 has 80 divisors (see below), whose sum is σ = 600981712887600. Its totient is φ = 58277014545024.

The previous prime is 221022200122037. The next prime is 221022200122181. The reversal of 221022200122110 is 11221002220122.

It is a happy number.

221022200122110 is a `hidden beast` number, since 2 + 210 + 2 + 220 + 0 + 1 + 221 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1532888100 + ... + 1533032279.

It is an arithmetic number, because the mean of its divisors is an integer number (7512271411095).

Almost surely, 2^{221022200122110} is an apocalyptic number.

221022200122110 is an abundant number, since it is smaller than the sum of its proper divisors (379959512765490).

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

221022200122110 is a wasteful number, since it uses less digits than its factorization.

221022200122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065920487 (or 3065920478 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 221022200122110 its reverse (11221002220122), we get a palindrome (232243202342232).

The spelling of 221022200122110 in words is "two hundred twenty-one trillion, twenty-two billion, two hundred million, one hundred twenty-two thousand, one hundred ten".