110000110020091 has 2 divisors, whose sum is σ = 110000110020092. Its totient is φ = 110000110020090.

The previous prime is 110000110020083. The next prime is 110000110020107. The reversal of 110000110020091 is 190020011000011.

It is an a-pointer prime, because the next prime (110000110020107) can be obtained adding 110000110020091 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 110000110020091 - 2³ = 110000110020083 is a prime.

It is not a weakly prime, because it can be changed into another prime (110000110020791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55000055010045 + 55000055010046.

It is an arithmetic number, because the mean of its divisors is an integer number (55000055010046).

Almost surely, 2^{110000110020091} is an apocalyptic number.

110000110020091 is a deficient number, since it is larger than the sum of its proper divisors (1).

110000110020091 is an equidigital number, since it uses as much as digits as its factorization.

110000110020091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 16.

The spelling of 110000110020091 in words is "one hundred ten trillion, one hundred ten million, twenty thousand, ninety-one".