10003321002221 has 4 divisors (see below), whose sum is σ = 10010638721952. Its totient is φ = 9996003282492.

The previous prime is 10003321002209. The next prime is 10003321002263. The reversal of 10003321002221 is 12220012330001.

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 a de Polignac number, because none of the positive numbers 2^k-10003321002221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10003321002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10003321002271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3658857815 + ... + 3658860548.

It is an arithmetic number, because the mean of its divisors is an integer number (2502659680488).

Almost surely, 2^{10003321002221} is an apocalyptic number.

It is an amenable number.

10003321002221 is a deficient number, since it is larger than the sum of its proper divisors (7317719731).

10003321002221 is an equidigital number, since it uses as much as digits as its factorization.

10003321002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7317719730.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10003321002221 its reverse (12220012330001), we get a palindrome (22223333332222).

The spelling of 10003321002221 in words is "ten trillion, three billion, three hundred twenty-one million, two thousand, two hundred twenty-one".