10502331012321 has 4 divisors (see below), whose sum is σ = 14003108016432. Its totient is φ = 7001554008212.

The previous prime is 10502331012319. The next prime is 10502331012331. The reversal of 10502331012321 is 12321013320501.

It is a happy number.

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 10502331012321 - 2¹ = 10502331012319 is a prime.

It is a super-2 number, since 2×10502331012321² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10502331012291 and 10502331012300.

It is not an unprimeable number, because it can be changed into a prime (10502331012331) 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, 1750388502051 + ... + 1750388502056.

It is an arithmetic number, because the mean of its divisors is an integer number (3500777004108).

Almost surely, 2^{10502331012321} is an apocalyptic number.

It is an amenable number.

10502331012321 is a deficient number, since it is larger than the sum of its proper divisors (3500777004111).

10502331012321 is an equidigital number, since it uses as much as digits as its factorization.

10502331012321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500777004110.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 10502331012321 its reverse (12321013320501), we get a palindrome (22823344332822).

The spelling of 10502331012321 in words is "ten trillion, five hundred two billion, three hundred thirty-one million, twelve thousand, three hundred twenty-one".