3220213100321 has 16 divisors (see below), whose sum is σ = 3695982079104. Its totient is φ = 2748394973184.

The previous prime is 3220213100311. The next prime is 3220213100341. The reversal of 3220213100321 is 1230013120223.

It is not a de Polignac number, because 3220213100321 - 2³⁸ = 2945335193377 is a prime.

It is a super-2 number, since 2×3220213100321² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3220213100293 and 3220213100302.

It is not an unprimeable number, because it can be changed into a prime (3220213100311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1710305 + ... + 3060321.

It is an arithmetic number, because the mean of its divisors is an integer number (230998879944).

Almost surely, 2^{3220213100321} is an apocalyptic number.

It is an amenable number.

3220213100321 is a deficient number, since it is larger than the sum of its proper divisors (475768978783).

3220213100321 is a wasteful number, since it uses less digits than its factorization.

3220213100321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351480.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 3220213100321 its reverse (1230013120223), we get a palindrome (4450226220544).

The spelling of 3220213100321 in words is "three trillion, two hundred twenty billion, two hundred thirteen million, one hundred thousand, three hundred twenty-one".