22121223322110 has 128 divisors (see below), whose sum is σ = 61737386803200. Its totient is φ = 5016162453120.

The previous prime is 22121223322109. The next prime is 22121223322123. The reversal of 22121223322110 is 1122332212122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21834454 + ... + 22825113.

It is an arithmetic number, because the mean of its divisors is an integer number (482323334400).

Almost surely, 2^{22121223322110} is an apocalyptic number.

22121223322110 is an abundant number, since it is smaller than the sum of its proper divisors (39616163481090).

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

22121223322110 is a wasteful number, since it uses less digits than its factorization.

22121223322110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44659686.

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

Adding to 22121223322110 its reverse (1122332212122), we get a palindrome (23243555534232).

The spelling of 22121223322110 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred twenty-three million, three hundred twenty-two thousand, one hundred ten".