111001110000091 has 2 divisors, whose sum is σ = 111001110000092. Its totient is φ = 111001110000090.

The previous prime is 111001110000089. The next prime is 111001110000103. The reversal of 111001110000091 is 190000011100111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111001110000091 - 2¹ = 111001110000089 is a prime.

Together with 111001110000089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (111001110000031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500555000045 + 55500555000046.

It is an arithmetic number, because the mean of its divisors is an integer number (55500555000046).

Almost surely, 2^{111001110000091} is an apocalyptic number.

111001110000091 is a deficient number, since it is larger than the sum of its proper divisors (1).

111001110000091 is an equidigital number, since it uses as much as digits as its factorization.

111001110000091 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 16.

The spelling of 111001110000091 in words is "one hundred eleven trillion, one billion, one hundred ten million, ninety-one", and thus it is an aban number.