10233321320021 has 4 divisors (see below), whose sum is σ = 10246628630700. Its totient is φ = 10220014009344.

The previous prime is 10233321320011. The next prime is 10233321320029. The reversal of 10233321320021 is 12002312333201.

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 7539911892100 + 2693409427921 = 2745890^2 + 1641161^2 .

It is a cyclic number.

It is not a de Polignac number, because 10233321320021 - 2¹⁸ = 10233321057877 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 (10233321320029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6653654186 + ... + 6653655723.

It is an arithmetic number, because the mean of its divisors is an integer number (2561657157675).

Almost surely, 2^{10233321320021} is an apocalyptic number.

It is an amenable number.

10233321320021 is a deficient number, since it is larger than the sum of its proper divisors (13307310679).

10233321320021 is an equidigital number, since it uses as much as digits as its factorization.

10233321320021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13307310678.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 10233321320021 its reverse (12002312333201), we get a palindrome (22235633653222).

The spelling of 10233321320021 in words is "ten trillion, two hundred thirty-three billion, three hundred twenty-one million, three hundred twenty thousand, twenty-one".