111000011100091 has 2 divisors, whose sum is σ = 111000011100092. Its totient is φ = 111000011100090.

The previous prime is 111000011100079. The next prime is 111000011100221. The reversal of 111000011100091 is 190001110000111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111000011100091 - 2³⁵ = 110965651361723 is a prime.

It is not a weakly prime, because it can be changed into another prime (111000011100031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500005550045 + 55500005550046.

It is an arithmetic number, because the mean of its divisors is an integer number (55500005550046).

Almost surely, 2^{111000011100091} is an apocalyptic number.

111000011100091 is a deficient number, since it is larger than the sum of its proper divisors (1).

111000011100091 is an equidigital number, since it uses as much as digits as its factorization.

111000011100091 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 16.

The spelling of 111000011100091 in words is "one hundred eleven trillion, eleven million, one hundred thousand, ninety-one".