2111113811393 has 2 divisors, whose sum is σ = 2111113811394. Its totient is φ = 2111113811392.

The previous prime is 2111113811347. The next prime is 2111113811407. The reversal of 2111113811393 is 3931183111112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1853595115024 + 257518696369 = 1361468^2 + 507463^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111113811393 - 2³⁰ = 2110040069569 is a prime.

It is not a weakly prime, because it can be changed into another prime (2111113811293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055556905696 + 1055556905697.

It is an arithmetic number, because the mean of its divisors is an integer number (1055556905697).

Almost surely, 2^{2111113811393} is an apocalyptic number.

It is an amenable number.

2111113811393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111113811393 is an equidigital number, since it uses as much as digits as its factorization.

2111113811393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 35.

The spelling of 2111113811393 in words is "two trillion, one hundred eleven billion, one hundred thirteen million, eight hundred eleven thousand, three hundred ninety-three".