13112011301111 has 2 divisors, whose sum is σ = 13112011301112. Its totient is φ = 13112011301110.

The previous prime is 13112011301101. The next prime is 13112011301131. The reversal of 13112011301111 is 11110311021131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13112011301111 - 2³⁰ = 13110937559287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13112011301111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13112011301101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556005650555 + 6556005650556.

It is an arithmetic number, because the mean of its divisors is an integer number (6556005650556).

Almost surely, 2^{13112011301111} is an apocalyptic number.

13112011301111 is a deficient number, since it is larger than the sum of its proper divisors (1).

13112011301111 is an equidigital number, since it uses as much as digits as its factorization.

13112011301111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 17.

Adding to 13112011301111 its reverse (11110311021131), we get a palindrome (24222322322242).

The spelling of 13112011301111 in words is "thirteen trillion, one hundred twelve billion, eleven million, three hundred one thousand, one hundred eleven".