110110110020191 has 2 divisors, whose sum is σ = 110110110020192. Its totient is φ = 110110110020190.

The previous prime is 110110110020111. The next prime is 110110110020231. The reversal of 110110110020191 is 191020011011011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110110110020191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110110110020111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55055055010095 + 55055055010096.

It is an arithmetic number, because the mean of its divisors is an integer number (55055055010096).

Almost surely, 2^{110110110020191} is an apocalyptic number.

110110110020191 is a deficient number, since it is larger than the sum of its proper divisors (1).

110110110020191 is an equidigital number, since it uses as much as digits as its factorization.

110110110020191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 19.

The spelling of 110110110020191 in words is "one hundred ten trillion, one hundred ten billion, one hundred ten million, twenty thousand, one hundred ninety-one".