112211199999917 has 2 divisors, whose sum is σ = 112211199999918. Its totient is φ = 112211199999916.

The previous prime is 112211199999907. The next prime is 112211200000007. The reversal of 112211199999917 is 719999991112211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98589926128516 + 13621273871401 = 9929246^2 + 3690701^2 .

It is a cyclic number.

It is not a de Polignac number, because 112211199999917 - 2⁴ = 112211199999901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112211199999907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56105599999958 + 56105599999959.

It is an arithmetic number, because the mean of its divisors is an integer number (56105599999959).

Almost surely, 2^{112211199999917} is an apocalyptic number.

It is an amenable number.

112211199999917 is a deficient number, since it is larger than the sum of its proper divisors (1).

112211199999917 is an equidigital number, since it uses as much as digits as its factorization.

112211199999917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14880348, while the sum is 71.

The spelling of 112211199999917 in words is "one hundred twelve trillion, two hundred eleven billion, one hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred seventeen".