22221112220110 has 16 divisors (see below), whose sum is σ = 39998120069232. Its totient is φ = 8888418649600.

The previous prime is 22221112220093. The next prime is 22221112220161. The reversal of 22221112220110 is 1102221112222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482670 + ... + 6683950.

It is an arithmetic number, because the mean of its divisors is an integer number (2499882504327).

Almost surely, 2^{22221112220110} is an apocalyptic number.

22221112220110 is a deficient number, since it is larger than the sum of its proper divisors (17777007849122).

22221112220110 is a wasteful number, since it uses less digits than its factorization.

22221112220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6559619.

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

Adding to 22221112220110 its reverse (1102221112222), we get a palindrome (23323333332332).

The spelling of 22221112220110 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred twelve million, two hundred twenty thousand, one hundred ten".