10321023021 has 16 divisors (see below), whose sum is σ = 14085342336. Its totient is φ = 6720523776.

The previous prime is 10321022993. The next prime is 10321023043. The reversal of 10321023021 is 12032012301.

It is not a de Polignac number, because 10321023021 - 2¹⁹ = 10320498733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321023061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206220 + ... + 251333.

It is an arithmetic number, because the mean of its divisors is an integer number (880333896).

Almost surely, 2^10321023021 is an apocalyptic number.

It is an amenable number.

10321023021 is a deficient number, since it is larger than the sum of its proper divisors (3764319315).

10321023021 is a wasteful number, since it uses less digits than its factorization.

10321023021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457732.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10321023021 its reverse (12032012301), we get a palindrome (22353035322).

The spelling of 10321023021 in words is "ten billion, three hundred twenty-one million, twenty-three thousand, twenty-one".