13023222111 has 6 divisors (see below), whose sum is σ = 18811320840. Its totient is φ = 8682148068.

The previous prime is 13023222053. The next prime is 13023222131. The reversal of 13023222111 is 11122232031.

13023222111 is a `hidden beast` number, since 130 + 2 + 322 + 211 + 1 = 666.

It is not a de Polignac number, because 13023222111 - 2⁷ = 13023221983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023222131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 723512331 + ... + 723512348.

It is an arithmetic number, because the mean of its divisors is an integer number (3135220140).

Almost surely, 2^13023222111 is an apocalyptic number.

13023222111 is a deficient number, since it is larger than the sum of its proper divisors (5788098729).

13023222111 is a wasteful number, since it uses less digits than its factorization.

13023222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447024685 (or 1447024682 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13023222111 its reverse (11122232031), we get a palindrome (24145454142).

The spelling of 13023222111 in words is "thirteen billion, twenty-three million, two hundred twenty-two thousand, one hundred eleven".