13211311112 has 16 divisors (see below), whose sum is σ = 24786704700. Its totient is φ = 6601523200.

The previous prime is 13211311111. The next prime is 13211311117. The reversal of 13211311112 is 21111311231.

It can be written as a sum of positive squares in 2 ways, for example, as 12088122916 + 1123188196 = 109946^2 + 33514^2 .

It is not an unprimeable number, because it can be changed into a prime (13211311111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502937 + ... + 528552.

Almost surely, 2^13211311112 is an apocalyptic number.

It is an amenable number.

13211311112 is a deficient number, since it is larger than the sum of its proper divisors (11575393588).

13211311112 is a wasteful number, since it uses less digits than its factorization.

13211311112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033096 (or 1033092 counting only the distinct ones).

The product of its digits is 36, while the sum is 17.

Adding to 13211311112 its reverse (21111311231), we get a palindrome (34322622343).

The spelling of 13211311112 in words is "thirteen billion, two hundred eleven million, three hundred eleven thousand, one hundred twelve".