10321331021 has 8 divisors (see below), whose sum is σ = 10656328704. Its totient is φ = 9990298080.

The previous prime is 10321331017. The next prime is 10321331047. The reversal of 10321331021 is 12013312301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10321331021 - 2² = 10321331017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321331051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 985895 + ... + 996308.

It is an arithmetic number, because the mean of its divisors is an integer number (1332041088).

Almost surely, 2^10321331021 is an apocalyptic number.

It is an amenable number.

10321331021 is a deficient number, since it is larger than the sum of its proper divisors (334997683).

10321331021 is a wasteful number, since it uses less digits than its factorization.

10321331021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982371.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10321331021 its reverse (12013312301), we get a palindrome (22334643322).

The spelling of 10321331021 in words is "ten billion, three hundred twenty-one million, three hundred thirty-one thousand, twenty-one".