110010012191 has 2 divisors, whose sum is σ = 110010012192. Its totient is φ = 110010012190.

The previous prime is 110010012169. The next prime is 110010012223. The reversal of 110010012191 is 191210010011.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (191210010011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110010012191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110010012131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55005006095 + 55005006096.

It is an arithmetic number, because the mean of its divisors is an integer number (55005006096).

Almost surely, 2^110010012191 is an apocalyptic number.

110010012191 is a deficient number, since it is larger than the sum of its proper divisors (1).

110010012191 is an equidigital number, since it uses as much as digits as its factorization.

110010012191 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 17.

The spelling of 110010012191 in words is "one hundred ten billion, ten million, twelve thousand, one hundred ninety-one".