3003221320221 has 4 divisors (see below), whose sum is σ = 4004295093632. Its totient is φ = 2002147546812.

The previous prime is 3003221320157. The next prime is 3003221320223. The reversal of 3003221320221 is 1220231223003.

It is a happy number.

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 not a de Polignac number, because 3003221320221 - 2⁶ = 3003221320157 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 (3003221320223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500536886701 + ... + 500536886706.

It is an arithmetic number, because the mean of its divisors is an integer number (1001073773408).

Almost surely, 2^{3003221320221} is an apocalyptic number.

It is an amenable number.

3003221320221 is a deficient number, since it is larger than the sum of its proper divisors (1001073773411).

3003221320221 is a wasteful number, since it uses less digits than its factorization.

3003221320221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001073773410.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 3003221320221 its reverse (1220231223003), we get a palindrome (4223452543224).

The spelling of 3003221320221 in words is "three trillion, three billion, two hundred twenty-one million, three hundred twenty thousand, two hundred twenty-one".