11100110191 has 2 divisors, whose sum is σ = 11100110192. Its totient is φ = 11100110190.

The previous prime is 11100110183. The next prime is 11100110207. The reversal of 11100110191 is 19101100111.

It is an a-pointer prime, because the next prime (11100110207) can be obtained adding 11100110191 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11100110191 - 2³ = 11100110183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11100114191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550055095 + 5550055096.

It is an arithmetic number, because the mean of its divisors is an integer number (5550055096).

Almost surely, 2^11100110191 is an apocalyptic number.

11100110191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100110191 is an equidigital number, since it uses as much as digits as its factorization.

11100110191 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 11100110191 in words is "eleven billion, one hundred million, one hundred ten thousand, one hundred ninety-one".