3221013231021 has 8 divisors (see below), whose sum is σ = 4520720324320. Its totient is φ = 2034324145872.

The previous prime is 3221013231001. The next prime is 3221013231031. The reversal of 3221013231021 is 1201323101223.

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

It is not a de Polignac number, because 3221013231021 - 2¹⁹ = 3221012706733 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 (3221013231001) 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, 28254501970 + ... + 28254502083.

It is an arithmetic number, because the mean of its divisors is an integer number (565090040540).

Almost surely, 2^{3221013231021} is an apocalyptic number.

It is an amenable number.

3221013231021 is a deficient number, since it is larger than the sum of its proper divisors (1299707093299).

3221013231021 is a wasteful number, since it uses less digits than its factorization.

3221013231021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56509004075.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 3221013231021 its reverse (1201323101223), we get a palindrome (4422336332244).

The spelling of 3221013231021 in words is "three trillion, two hundred twenty-one billion, thirteen million, two hundred thirty-one thousand, twenty-one".