112320313121 has 4 divisors (see below), whose sum is σ = 112430324244. Its totient is φ = 112210302000.

The previous prime is 112320313103. The next prime is 112320313129. The reversal of 112320313121 is 121313023211.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24739829521 + 87580483600 = 157289^2 + 295940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112320313121 is a prime.

It is a super-3 number, since 3×112320313121³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112320313093 and 112320313102.

It is not an unprimeable number, because it can be changed into a prime (112320313129) 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, 55004030 + ... + 55006071.

It is an arithmetic number, because the mean of its divisors is an integer number (28107581061).

Almost surely, 2^112320313121 is an apocalyptic number.

It is an amenable number.

112320313121 is a deficient number, since it is larger than the sum of its proper divisors (110011123).

112320313121 is a wasteful number, since it uses less digits than its factorization.

112320313121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110011122.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 112320313121 its reverse (121313023211), we get a palindrome (233633336332).

The spelling of 112320313121 in words is "one hundred twelve billion, three hundred twenty million, three hundred thirteen thousand, one hundred twenty-one".