10320112321 has 4 divisors (see below), whose sum is σ = 10320981444. Its totient is φ = 10319243200.

The previous prime is 10320112277. The next prime is 10320112331. The reversal of 10320112321 is 12321102301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12321102301 = 1021 ⋅12067681.

It can be written as a sum of positive squares in 2 ways, for example, as 6775100721 + 3545011600 = 82311^2 + 59540^2 .

It is a cyclic number.

It is not a de Polignac number, because 10320112321 - 2¹³ = 10320104129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10320112295 and 10320112304.

It is not an unprimeable number, because it can be changed into a prime (10320112331) 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, 416500 + ... + 440581.

It is an arithmetic number, because the mean of its divisors is an integer number (2580245361).

Almost surely, 2^10320112321 is an apocalyptic number.

It is an amenable number.

10320112321 is a deficient number, since it is larger than the sum of its proper divisors (869123).

10320112321 is an equidigital number, since it uses as much as digits as its factorization.

10320112321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869122.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10320112321 its reverse (12321102301), we get a palindrome (22641214622).

The spelling of 10320112321 in words is "ten billion, three hundred twenty million, one hundred twelve thousand, three hundred twenty-one".