10312202121321 has 4 divisors (see below), whose sum is σ = 13749602828432. Its totient is φ = 6874801414212.

The previous prime is 10312202121301. The next prime is 10312202121383. The reversal of 10312202121321 is 12312120221301.

10312202121321 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 not a de Polignac number, because 10312202121321 - 2⁹ = 10312202120809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10312202121301) 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, 1718700353551 + ... + 1718700353556.

It is an arithmetic number, because the mean of its divisors is an integer number (3437400707108).

Almost surely, 2^{10312202121321} is an apocalyptic number.

It is an amenable number.

10312202121321 is a deficient number, since it is larger than the sum of its proper divisors (3437400707111).

10312202121321 is an equidigital number, since it uses as much as digits as its factorization.

10312202121321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3437400707110.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 10312202121321 its reverse (12312120221301), we get a palindrome (22624322342622).

The spelling of 10312202121321 in words is "ten trillion, three hundred twelve billion, two hundred two million, one hundred twenty-one thousand, three hundred twenty-one".