9911112193 has 2 divisors, whose sum is σ = 9911112194. Its totient is φ = 9911112192.

The previous prime is 9911112161. The next prime is 9911112199. The reversal of 9911112193 is 3912111199.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5347704384 + 4563407809 = 73128^2 + 67553^2 .

It is an emirp because it is prime and its reverse (3912111199) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9911112193 - 2⁵ = 9911112161 is a prime.

It is not a weakly prime, because it can be changed into another prime (9911112199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4955556096 + 4955556097.

It is an arithmetic number, because the mean of its divisors is an integer number (4955556097).

Almost surely, 2^9911112193 is an apocalyptic number.

It is an amenable number.

9911112193 is a deficient number, since it is larger than the sum of its proper divisors (1).

9911112193 is an equidigital number, since it uses as much as digits as its factorization.

9911112193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4374, while the sum is 37.

The square root of 9911112193 is about 99554.5689207683. The cubic root of 9911112193 is about 2148.0322499340.

The spelling of 9911112193 in words is "nine billion, nine hundred eleven million, one hundred twelve thousand, one hundred ninety-three".