112321003121 has 4 divisors (see below), whose sum is σ = 112528621044. Its totient is φ = 112113385200.

The previous prime is 112321003111. The next prime is 112321003139. The reversal of 112321003121 is 121300123211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121300123211 = 25189 ⋅4815599.

It can be written as a sum of positive squares in 2 ways, for example, as 51033069025 + 61287934096 = 225905^2 + 247564^2 .

It is a cyclic number.

It is not a de Polignac number, because 112321003121 - 2¹⁸ = 112320740977 is a prime.

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 112321003121.

It is not an unprimeable number, because it can be changed into a prime (112321003111) 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, 103808150 + ... + 103809231.

It is an arithmetic number, because the mean of its divisors is an integer number (28132155261).

Almost surely, 2^112321003121 is an apocalyptic number.

It is an amenable number.

112321003121 is a deficient number, since it is larger than the sum of its proper divisors (207617923).

112321003121 is an equidigital number, since it uses as much as digits as its factorization.

112321003121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207617922.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 112321003121 its reverse (121300123211), we get a palindrome (233621126332).

The spelling of 112321003121 in words is "one hundred twelve billion, three hundred twenty-one million, three thousand, one hundred twenty-one".