10243002321021 has 8 divisors (see below), whose sum is σ = 13673235542560. Its totient is φ = 6820718656752.

The previous prime is 10243002321001. The next prime is 10243002321043. The reversal of 10243002321021 is 12012320034201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10243002321021 - 2¹⁴ = 10243002304637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10243002321001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1987386310 + ... + 1987391463.

It is an arithmetic number, because the mean of its divisors is an integer number (1709154442820).

Almost surely, 2^{10243002321021} is an apocalyptic number.

It is an amenable number.

10243002321021 is a deficient number, since it is larger than the sum of its proper divisors (3430233221539).

10243002321021 is an equidigital number, since it uses as much as digits as its factorization.

10243002321021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3974778635.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 10243002321021 its reverse (12012320034201), we get a palindrome (22255322355222).

The spelling of 10243002321021 in words is "ten trillion, two hundred forty-three billion, two million, three hundred twenty-one thousand, twenty-one".