13122211113 has 16 divisors (see below), whose sum is σ = 21207614400. Its totient is φ = 7952855040.

The previous prime is 13122211087. The next prime is 13122211121. The reversal of 13122211113 is 31111222131.

It is not a de Polignac number, because 13122211113 - 2⁹ = 13122210601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13122211153) 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, 22090968 + ... + 22091561.

It is an arithmetic number, because the mean of its divisors is an integer number (1325475900).

Almost surely, 2^13122211113 is an apocalyptic number.

It is an amenable number.

13122211113 is a deficient number, since it is larger than the sum of its proper divisors (8085403287).

13122211113 is a wasteful number, since it uses less digits than its factorization.

13122211113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44182549 (or 44182543 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

Adding to 13122211113 its reverse (31111222131), we get a palindrome (44233433244).

The spelling of 13122211113 in words is "thirteen billion, one hundred twenty-two million, two hundred eleven thousand, one hundred thirteen".