110100010091 has 2 divisors, whose sum is σ = 110100010092. Its totient is φ = 110100010090.

The previous prime is 110100010073. The next prime is 110100010109. The reversal of 110100010091 is 190010001011.

It is a happy number.

Together with next prime (110100010109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (110100010073) and next prime (110100010109).

It is a cyclic number.

It is not a de Polignac number, because 110100010091 - 2¹⁰ = 110100009067 is a prime.

It is not a weakly prime, because it can be changed into another prime (110100010021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55050005045 + 55050005046.

It is an arithmetic number, because the mean of its divisors is an integer number (55050005046).

Almost surely, 2^110100010091 is an apocalyptic number.

110100010091 is a deficient number, since it is larger than the sum of its proper divisors (1).

110100010091 is an equidigital number, since it uses as much as digits as its factorization.

110100010091 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 14.

The spelling of 110100010091 in words is "one hundred ten billion, one hundred million, ten thousand, ninety-one".