110910190091 has 4 divisors (see below), whose sum is σ = 111891696312. Its totient is φ = 109928683872.

The previous prime is 110910190049. The next prime is 110910190187. The reversal of 110910190091 is 190091019011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 110910190091 - 2¹⁴ = 110910173707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110910120091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490752941 + ... + 490753166.

It is an arithmetic number, because the mean of its divisors is an integer number (27972924078).

Almost surely, 2^110910190091 is an apocalyptic number.

110910190091 is a deficient number, since it is larger than the sum of its proper divisors (981506221).

110910190091 is an equidigital number, since it uses as much as digits as its factorization.

110910190091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981506220.

The product of its (nonzero) digits is 729, while the sum is 32.

The spelling of 110910190091 in words is "one hundred ten billion, nine hundred ten million, one hundred ninety thousand, ninety-one".