13221112110 has 16 divisors (see below), whose sum is σ = 31730669136. Its totient is φ = 3525629888.

The previous prime is 13221112087. The next prime is 13221112111. The reversal of 13221112110 is 1121112231.

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 13221112110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13221112111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220351839 + ... + 220351898.

It is an arithmetic number, because the mean of its divisors is an integer number (1983166821).

Almost surely, 2^13221112110 is an apocalyptic number.

13221112110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13221112110 is an abundant number, since it is smaller than the sum of its proper divisors (18509557026).

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

13221112110 is a wasteful number, since it uses less digits than its factorization.

13221112110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440703747.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 13221112110 its reverse (1121112231), we get a palindrome (14342224341).

The spelling of 13221112110 in words is "thirteen billion, two hundred twenty-one million, one hundred twelve thousand, one hundred ten".