3221303320221 has 32 divisors (see below), whose sum is σ = 4942190745600. Its totient is φ = 1828173067200.

The previous prime is 3221303320141. The next prime is 3221303320223. The reversal of 3221303320221 is 1220233031223.

It is not a de Polignac number, because 3221303320221 - 2²¹ = 3221301223069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3221303320191 and 3221303320200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221303320223) 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 31 ways as a sum of consecutive naturals, for example, 15462970 + ... + 15669908.

It is an arithmetic number, because the mean of its divisors is an integer number (154443460800).

Almost surely, 2^{3221303320221} is an apocalyptic number.

It is an amenable number.

3221303320221 is a deficient number, since it is larger than the sum of its proper divisors (1720887425379).

3221303320221 is a wasteful number, since it uses less digits than its factorization.

3221303320221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212009.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 3221303320221 its reverse (1220233031223), we get a palindrome (4441536351444).

The spelling of 3221303320221 in words is "three trillion, two hundred twenty-one billion, three hundred three million, three hundred twenty thousand, two hundred twenty-one".