110011100191 has 2 divisors, whose sum is σ = 110011100192.
Its totient is φ = 110011100190.
The previous prime is 110011100183. The next prime is 110011100203. The reversal of 110011100191 is 191001110011.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 110011100191 - 23 = 110011100183 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (110011100491) 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, 55005550095 + 55005550096.
It is an arithmetic number, because the mean of its divisors is an integer number (55005550096).
Almost surely, 2110011100191 is an apocalyptic number.
110011100191 is a deficient number, since it is larger than the sum of its proper divisors (1).
110011100191 is an equidigital number, since it uses as much as digits as its factorization.
110011100191 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 110011100191 in words is "one hundred ten billion, eleven million, one hundred thousand, one hundred ninety-one".