112012320221 has 8 divisors (see below), whose sum is σ = 118754724024. Its totient is φ = 105286965760.

The previous prime is 112012320157. The next prime is 112012320239. The reversal of 112012320221 is 122023210211.

It can be written as a sum of positive squares in 4 ways, for example, as 281904100 + 111730416121 = 16790^2 + 334261^2 .

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 112012320221 - 2⁶ = 112012320157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112012320221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012320271) 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, 4248800 + ... + 4275081.

It is an arithmetic number, because the mean of its divisors is an integer number (14844340503).

Almost surely, 2^112012320221 is an apocalyptic number.

It is an amenable number.

112012320221 is a deficient number, since it is larger than the sum of its proper divisors (6742403803).

112012320221 is an equidigital number, since it uses as much as digits as its factorization.

112012320221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8524671.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 112012320221 its reverse (122023210211), we get a palindrome (234035530432).

The spelling of 112012320221 in words is "one hundred twelve billion, twelve million, three hundred twenty thousand, two hundred twenty-one".