2113312133111 has 2 divisors, whose sum is σ = 2113312133112. Its totient is φ = 2113312133110.

The previous prime is 2113312133077. The next prime is 2113312133137. The reversal of 2113312133111 is 1113312133112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2113312133111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113312133161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056656066555 + 1056656066556.

It is an arithmetic number, because the mean of its divisors is an integer number (1056656066556).

Almost surely, 2^{2113312133111} is an apocalyptic number.

2113312133111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113312133111 is an equidigital number, since it uses as much as digits as its factorization.

2113312133111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 23.

Adding to 2113312133111 its reverse (1113312133112), we get a palindrome (3226624266223).

Subtracting from 2113312133111 its reverse (1113312133112), we obtain a palindrome (999999999999).

The spelling of 2113312133111 in words is "two trillion, one hundred thirteen billion, three hundred twelve million, one hundred thirty-three thousand, one hundred eleven".