10001000000321 has 4 divisors (see below), whose sum is σ = 10910181818544. Its totient is φ = 9091818182100.

The previous prime is 10001000000263. The next prime is 10001000000393. The reversal of 10001000000321 is 12300000010001.

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 10001000000321 - 2¹⁰ = 10000999999297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10001000000299 and 10001000000308.

It is not an unprimeable number, because it can be changed into a prime (10001000003321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454590909095 + ... + 454590909116.

It is an arithmetic number, because the mean of its divisors is an integer number (2727545454636).

Almost surely, 2^{10001000000321} is an apocalyptic number.

10001000000321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10001000000321 is a deficient number, since it is larger than the sum of its proper divisors (909181818223).

10001000000321 is an equidigital number, since it uses as much as digits as its factorization.

10001000000321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909181818222.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 10001000000321 its reverse (12300000010001), we get a palindrome (22301000010322).

The spelling of 10001000000321 in words is "ten trillion, one billion, three hundred twenty-one", and thus it is an aban number.