13220112109 has 16 divisors (see below), whose sum is σ = 14009778432. Its totient is φ = 12449783808.

The previous prime is 13220112083. The next prime is 13220112127. The reversal of 13220112109 is 90121102231.

It is a cyclic number.

It is not a de Polignac number, because 13220112109 - 2⁵ = 13220112077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13220112109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220112179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393709 + ... + 425965.

It is an arithmetic number, because the mean of its divisors is an integer number (875611152).

Almost surely, 2^13220112109 is an apocalyptic number.

It is an amenable number.

13220112109 is a deficient number, since it is larger than the sum of its proper divisors (789666323).

13220112109 is a wasteful number, since it uses less digits than its factorization.

13220112109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32556.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 13220112109 in words is "thirteen billion, two hundred twenty million, one hundred twelve thousand, one hundred nine".