112220865817 has 8 divisors (see below), whose sum is σ = 123988271616. Its totient is φ = 101027479872.

The previous prime is 112220865797. The next prime is 112220865847. The reversal of 112220865817 is 718568022211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112220865817 - 2¹⁹ = 112220341529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112220865847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143504553 + ... + 143505334.

It is an arithmetic number, because the mean of its divisors is an integer number (15498533952).

Almost surely, 2^112220865817 is an apocalyptic number.

112220865817 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

112220865817 is a deficient number, since it is larger than the sum of its proper divisors (11767405799).

112220865817 is a wasteful number, since it uses less digits than its factorization.

112220865817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287009927.

The product of its (nonzero) digits is 107520, while the sum is 43.

The spelling of 112220865817 in words is "one hundred twelve billion, two hundred twenty million, eight hundred sixty-five thousand, eight hundred seventeen".