111000010110091 has 2 divisors, whose sum is σ = 111000010110092. Its totient is φ = 111000010110090.

The previous prime is 111000010109971. The next prime is 111000010110103. The reversal of 111000010110091 is 190011010000111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111000010110091 is a prime.

It is not a weakly prime, because it can be changed into another prime (111000010110991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500005055045 + 55500005055046.

It is an arithmetic number, because the mean of its divisors is an integer number (55500005055046).

Almost surely, 2^{111000010110091} is an apocalyptic number.

111000010110091 is a deficient number, since it is larger than the sum of its proper divisors (1).

111000010110091 is an equidigital number, since it uses as much as digits as its factorization.

111000010110091 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 111000010110091 in words is "one hundred eleven trillion, ten million, one hundred ten thousand, ninety-one".