110001000091 has 2 divisors, whose sum is σ = 110001000092. Its totient is φ = 110001000090.

The previous prime is 110001000073. The next prime is 110001000097. The reversal of 110001000091 is 190000100011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 110001000091 - 2⁹ = 110000999579 is a prime.

It is not a weakly prime, because it can be changed into another prime (110001000097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55000500045 + 55000500046.

It is an arithmetic number, because the mean of its divisors is an integer number (55000500046).

Almost surely, 2^110001000091 is an apocalyptic number.

110001000091 is a deficient number, since it is larger than the sum of its proper divisors (1).

110001000091 is an equidigital number, since it uses as much as digits as its factorization.

110001000091 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 13.

The spelling of 110001000091 in words is "one hundred ten billion, one million, ninety-one", and thus it is an aban number.