1000000112191 has 2 divisors, whose sum is σ = 1000000112192. Its totient is φ = 1000000112190.

The previous prime is 1000000112143. The next prime is 1000000112231. The reversal of 1000000112191 is 1912110000001.

It is a strong prime.

It is an emirp because it is prime and its reverse (1912110000001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1000000112191 - 2²⁷ = 999865894463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000000112791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500000056095 + 500000056096.

It is an arithmetic number, because the mean of its divisors is an integer number (500000056096).

Almost surely, 2^{1000000112191} is an apocalyptic number.

1000000112191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000000112191 is an equidigital number, since it uses as much as digits as its factorization.

1000000112191 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 16.

Adding to 1000000112191 its reverse (1912110000001), we get a palindrome (2912110112192).

The spelling of 1000000112191 in words is "one trillion, one hundred twelve thousand, one hundred ninety-one".