111101000011091 has 2 divisors, whose sum is σ = 111101000011092. Its totient is φ = 111101000011090.

The previous prime is 111101000011087. The next prime is 111101000011097. The reversal of 111101000011091 is 190110000101111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111101000011091 - 2² = 111101000011087 is a prime.

It is not a weakly prime, because it can be changed into another prime (111101000011097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550500005545 + 55550500005546.

It is an arithmetic number, because the mean of its divisors is an integer number (55550500005546).

Almost surely, 2^{111101000011091} is an apocalyptic number.

111101000011091 is a deficient number, since it is larger than the sum of its proper divisors (1).

111101000011091 is an equidigital number, since it uses as much as digits as its factorization.

111101000011091 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 17.

The spelling of 111101000011091 in words is "one hundred eleven trillion, one hundred one billion, eleven thousand, ninety-one".