3221030311221 has 8 divisors (see below), whose sum is σ = 4300680251520. Its totient is φ = 2144366955872.

The previous prime is 3221030311123. The next prime is 3221030311231. The reversal of 3221030311221 is 1221130301223.

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

It is a cyclic number.

It is not a de Polignac number, because 3221030311221 - 2¹⁷ = 3221030180149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221030311231) 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, 746643720 + ... + 746648033.

It is an arithmetic number, because the mean of its divisors is an integer number (537585031440).

Almost surely, 2^{3221030311221} is an apocalyptic number.

It is an amenable number.

3221030311221 is a deficient number, since it is larger than the sum of its proper divisors (1079649940299).

3221030311221 is a wasteful number, since it uses less digits than its factorization.

3221030311221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493292475.

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

Adding to 3221030311221 its reverse (1221130301223), we get a palindrome (4442160612444).

The spelling of 3221030311221 in words is "three trillion, two hundred twenty-one billion, thirty million, three hundred eleven thousand, two hundred twenty-one".