11101100191 has 2 divisors, whose sum is σ = 11101100192. Its totient is φ = 11101100190.

The previous prime is 11101100173. The next prime is 11101100201. The reversal of 11101100191 is 19100110111.

It is a strong prime.

It is an emirp because it is prime and its reverse (19100110111) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 16100110111 and 11101100161.

It is a cyclic number.

It is not a de Polignac number, because 11101100191 - 2⁷ = 11101100063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11101100141) 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, 5550550095 + 5550550096.

It is an arithmetic number, because the mean of its divisors is an integer number (5550550096).

Almost surely, 2^11101100191 is an apocalyptic number.

11101100191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101100191 is an equidigital number, since it uses as much as digits as its factorization.

11101100191 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 11101100191 in words is "eleven billion, one hundred one million, one hundred thousand, one hundred ninety-one".