111010010111911 has 2 divisors, whose sum is σ = 111010010111912. Its totient is φ = 111010010111910.

The previous prime is 111010010111849. The next prime is 111010010111929. The reversal of 111010010111911 is 119111010010111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111010010111911 - 2²⁵ = 111009976557479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111010010181911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505005055955 + 55505005055956.

It is an arithmetic number, because the mean of its divisors is an integer number (55505005055956).

Almost surely, 2^{111010010111911} is an apocalyptic number.

111010010111911 is a deficient number, since it is larger than the sum of its proper divisors (1).

111010010111911 is an equidigital number, since it uses as much as digits as its factorization.

111010010111911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9, while the sum is 19.

The spelling of 111010010111911 in words is "one hundred eleven trillion, ten billion, ten million, one hundred eleven thousand, nine hundred eleven".