112021312001917 has 2 divisors, whose sum is σ = 112021312001918. Its totient is φ = 112021312001916.

The previous prime is 112021312001881. The next prime is 112021312002029. The reversal of 112021312001917 is 719100213120211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111641814112761 + 379497889156 = 10566069^2 + 616034^2 .

It is a cyclic number.

It is not a de Polignac number, because 112021312001917 - 2³¹ = 112019164518269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112021312001117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56010656000958 + 56010656000959.

It is an arithmetic number, because the mean of its divisors is an integer number (56010656000959).

Almost surely, 2^{112021312001917} is an apocalyptic number.

It is an amenable number.

112021312001917 is a deficient number, since it is larger than the sum of its proper divisors (1).

112021312001917 is an equidigital number, since it uses as much as digits as its factorization.

112021312001917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 31.

The spelling of 112021312001917 in words is "one hundred twelve trillion, twenty-one billion, three hundred twelve million, one thousand, nine hundred seventeen".