23221102110 has 64 divisors (see below), whose sum is σ = 57560315904. Its totient is φ = 5989219200.

The previous prime is 23221102109. The next prime is 23221102123. The reversal of 23221102110 is 1120112232.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23221102110.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1975972 + ... + 1987688.

It is an arithmetic number, because the mean of its divisors is an integer number (899379936).

Almost surely, 2^23221102110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23221102110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28780157952).

23221102110 is an abundant number, since it is smaller than the sum of its proper divisors (34339213794).

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

23221102110 is a wasteful number, since it uses less digits than its factorization.

23221102110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13889.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 23221102110 its reverse (1120112232), we get a palindrome (24341214342).

The spelling of 23221102110 in words is "twenty-three billion, two hundred twenty-one million, one hundred two thousand, one hundred ten".