10321222321 has 4 divisors (see below), whose sum is σ = 10321911652. Its totient is φ = 10320532992.

The previous prime is 10321222319. The next prime is 10321222333. The reversal of 10321222321 is 12322212301.

10321222321 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2762658721 + 7558563600 = 52561^2 + 86940^2 .

It is a cyclic number.

It is not a de Polignac number, because 10321222321 - 2¹ = 10321222319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10321222381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321696 + ... + 352321.

It is an arithmetic number, because the mean of its divisors is an integer number (2580477913).

Almost surely, 2^10321222321 is an apocalyptic number.

It is an amenable number.

10321222321 is a deficient number, since it is larger than the sum of its proper divisors (689331).

10321222321 is an equidigital number, since it uses as much as digits as its factorization.

10321222321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689330.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10321222321 its reverse (12322212301), we get a palindrome (22643434622).

The spelling of 10321222321 in words is "ten billion, three hundred twenty-one million, two hundred twenty-two thousand, three hundred twenty-one".