111002022012191 has 2 divisors, whose sum is σ = 111002022012192. Its totient is φ = 111002022012190.

The previous prime is 111002022012157. The next prime is 111002022012239. The reversal of 111002022012191 is 191210220200111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111002022012191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111002022012991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55501011006095 + 55501011006096.

It is an arithmetic number, because the mean of its divisors is an integer number (55501011006096).

Almost surely, 2^{111002022012191} is an apocalyptic number.

111002022012191 is a deficient number, since it is larger than the sum of its proper divisors (1).

111002022012191 is an equidigital number, since it uses as much as digits as its factorization.

111002022012191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 111002022012191 in words is "one hundred eleven trillion, two billion, twenty-two million, twelve thousand, one hundred ninety-one".