112271021999 has 4 divisors (see below), whose sum is σ = 112277631960. Its totient is φ = 112264412040.

The previous prime is 112271021987. The next prime is 112271022029. The reversal of 112271021999 is 999120172211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112271021999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112271021959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3279437 + ... + 3313494.

It is an arithmetic number, because the mean of its divisors is an integer number (28069407990).

Almost surely, 2^112271021999 is an apocalyptic number.

112271021999 is a deficient number, since it is larger than the sum of its proper divisors (6609961).

112271021999 is an equidigital number, since it uses as much as digits as its factorization.

112271021999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6609960.

The product of its (nonzero) digits is 40824, while the sum is 44.

The spelling of 112271021999 in words is "one hundred twelve billion, two hundred seventy-one million, twenty-one thousand, nine hundred ninety-nine".