112171121719 has 2 divisors, whose sum is σ = 112171121720. Its totient is φ = 112171121718.

The previous prime is 112171121707. The next prime is 112171121737. The reversal of 112171121719 is 917121171211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112171121719 - 2²¹ = 112169024567 is a prime.

It is a super-2 number, since 2×112171121719² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112171121119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56085560859 + 56085560860.

It is an arithmetic number, because the mean of its divisors is an integer number (56085560860).

Almost surely, 2^112171121719 is an apocalyptic number.

112171121719 is a deficient number, since it is larger than the sum of its proper divisors (1).

112171121719 is an equidigital number, since it uses as much as digits as its factorization.

112171121719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1764, while the sum is 34.

The spelling of 112171121719 in words is "one hundred twelve billion, one hundred seventy-one million, one hundred twenty-one thousand, seven hundred nineteen".