1112001111191 has 2 divisors, whose sum is σ = 1112001111192. Its totient is φ = 1112001111190.

The previous prime is 1112001111181. The next prime is 1112001111229. The reversal of 1112001111191 is 1911111002111.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1911111002111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1112001111191 - 2¹⁰ = 1112001110167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112001111181) 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, 556000555595 + 556000555596.

It is an arithmetic number, because the mean of its divisors is an integer number (556000555596).

Almost surely, 2^{1112001111191} is an apocalyptic number.

1112001111191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112001111191 is an equidigital number, since it uses as much as digits as its factorization.

1112001111191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 20.

The spelling of 1112001111191 in words is "one trillion, one hundred twelve billion, one million, one hundred eleven thousand, one hundred ninety-one".