13213101111 has 32 divisors (see below), whose sum is σ = 21131228160. Its totient is φ = 7180276224.

The previous prime is 13213101091. The next prime is 13213101113. The reversal of 13213101111 is 11110131231.

It is not a de Polignac number, because 13213101111 - 2⁷ = 13213100983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213101113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4495 + ... + 162623.

It is an arithmetic number, because the mean of its divisors is an integer number (660350880).

Almost surely, 2^13213101111 is an apocalyptic number.

13213101111 is a deficient number, since it is larger than the sum of its proper divisors (7918127049).

13213101111 is a wasteful number, since it uses less digits than its factorization.

13213101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158335.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 13213101111 its reverse (11110131231), we get a palindrome (24323232342).

The spelling of 13213101111 in words is "thirteen billion, two hundred thirteen million, one hundred one thousand, one hundred eleven".