13011330111 has 12 divisors (see below), whose sum is σ = 18785589768. Its totient is φ = 8006972064.

The previous prime is 13011330107. The next prime is 13011330113. The reversal of 13011330111 is 11103311031.

It is not a de Polignac number, because 13011330111 - 2² = 13011330107 is a prime.

It is a super-2 number, since 2×13011330111² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13011330113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12831180 + ... + 12832193.

It is an arithmetic number, because the mean of its divisors is an integer number (1565465814).

Almost surely, 2^13011330111 is an apocalyptic number.

13011330111 is a deficient number, since it is larger than the sum of its proper divisors (5774259657).

13011330111 is a wasteful number, since it uses less digits than its factorization.

13011330111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25663402 (or 25663389 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 15.

Adding to 13011330111 its reverse (11103311031), we get a palindrome (24114641142).

The spelling of 13011330111 in words is "thirteen billion, eleven million, three hundred thirty thousand, one hundred eleven".