10000330123321 has 4 divisors (see below), whose sum is σ = 10000339921444. Its totient is φ = 10000320325200.

The previous prime is 10000330123283. The next prime is 10000330123327. The reversal of 10000330123321 is 12332103300001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5379825108025 + 4620505015296 = 2319445^2 + 2149536^2 .

It is a cyclic number.

It is not a de Polignac number, because 10000330123321 - 2¹³ = 10000330115129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10000330123327) 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, 3163050 + ... + 5477731.

It is an arithmetic number, because the mean of its divisors is an integer number (2500084980361).

Almost surely, 2^{10000330123321} is an apocalyptic number.

It is an amenable number.

10000330123321 is a deficient number, since it is larger than the sum of its proper divisors (9798123).

10000330123321 is an equidigital number, since it uses as much as digits as its factorization.

10000330123321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9798122.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 10000330123321 its reverse (12332103300001), we get a palindrome (22332433423322).

The spelling of 10000330123321 in words is "ten trillion, three hundred thirty million, one hundred twenty-three thousand, three hundred twenty-one".