111010011100091 has 2 divisors, whose sum is σ = 111010011100092. Its totient is φ = 111010011100090.

The previous prime is 111010011100039. The next prime is 111010011100129. The reversal of 111010011100091 is 190001110010111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111010011100091 - 2⁴⁶ = 40641266922427 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (111010011100291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505005550045 + 55505005550046.

It is an arithmetic number, because the mean of its divisors is an integer number (55505005550046).

Almost surely, 2^{111010011100091} is an apocalyptic number.

111010011100091 is a deficient number, since it is larger than the sum of its proper divisors (1).

111010011100091 is an equidigital number, since it uses as much as digits as its factorization.

111010011100091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9, while the sum is 17.

The spelling of 111010011100091 in words is "one hundred eleven trillion, ten billion, eleven million, one hundred thousand, ninety-one".