111000002110091 has 2 divisors, whose sum is σ = 111000002110092. Its totient is φ = 111000002110090.

The previous prime is 111000002110043. The next prime is 111000002110159. The reversal of 111000002110091 is 190011200000111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111000002110091 - 2⁶ = 111000002110027 is a prime.

It is not a weakly prime, because it can be changed into another prime (111000002110391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500001055045 + 55500001055046.

It is an arithmetic number, because the mean of its divisors is an integer number (55500001055046).

Almost surely, 2^{111000002110091} is an apocalyptic number.

111000002110091 is a deficient number, since it is larger than the sum of its proper divisors (1).

111000002110091 is an equidigital number, since it uses as much as digits as its factorization.

111000002110091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 17.

The spelling of 111000002110091 in words is "one hundred eleven trillion, two million, one hundred ten thousand, ninety-one".