10320122021 has 4 divisors (see below), whose sum is σ = 11258314944. Its totient is φ = 9381929100.

The previous prime is 10320122009. The next prime is 10320122063. The reversal of 10320122021 is 12022102301.

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 10320122021 - 2¹⁴ = 10320105637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10320121987 and 10320122005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10320122521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469096445 + ... + 469096466.

It is an arithmetic number, because the mean of its divisors is an integer number (2814578736).

Almost surely, 2^10320122021 is an apocalyptic number.

10320122021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10320122021 is a deficient number, since it is larger than the sum of its proper divisors (938192923).

10320122021 is an equidigital number, since it uses as much as digits as its factorization.

10320122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938192922.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10320122021 its reverse (12022102301), we get a palindrome (22342224322).

The spelling of 10320122021 in words is "ten billion, three hundred twenty million, one hundred twenty-two thousand, twenty-one".