12311022202321 has 4 divisors (see below), whose sum is σ = 12335693590000. Its totient is φ = 12286350814644.

The previous prime is 12311022202289. The next prime is 12311022202327. The reversal of 12311022202321 is 12320222011321.

12311022202321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12311022202321 - 2⁵ = 12311022202289 is a prime.

It is a super-2 number, since 2×12311022202321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12311022202292 and 12311022202301.

It is not an unprimeable number, because it can be changed into a prime (12311022202327) 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, 12335693091 + ... + 12335694088.

It is an arithmetic number, because the mean of its divisors is an integer number (3083923397500).

Almost surely, 2^{12311022202321} is an apocalyptic number.

It is an amenable number.

12311022202321 is a deficient number, since it is larger than the sum of its proper divisors (24671387679).

12311022202321 is an equidigital number, since it uses as much as digits as its factorization.

12311022202321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24671387678.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12311022202321 its reverse (12320222011321), we get a palindrome (24631244213642).

The spelling of 12311022202321 in words is "twelve trillion, three hundred eleven billion, twenty-two million, two hundred two thousand, three hundred twenty-one".