10321010421 has 16 divisors (see below), whose sum is σ = 13892577600. Its totient is φ = 6815104128.

The previous prime is 10321010411. The next prime is 10321010423. The reversal of 10321010421 is 12401012301.

It is not a de Polignac number, because 10321010421 - 2¹⁴ = 10320994037 is a prime.

It is a super-2 number, since 2×10321010421² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10321010421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321010423) 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, 1627585 + ... + 1633913.

It is an arithmetic number, because the mean of its divisors is an integer number (868286100).

Almost surely, 2^10321010421 is an apocalyptic number.

It is an amenable number.

10321010421 is a deficient number, since it is larger than the sum of its proper divisors (3571567179).

10321010421 is a wasteful number, since it uses less digits than its factorization.

10321010421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11428.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10321010421 its reverse (12401012301), we get a palindrome (22722022722).

The spelling of 10321010421 in words is "ten billion, three hundred twenty-one million, ten thousand, four hundred twenty-one".