3221321220130 has 16 divisors (see below), whose sum is σ = 6244407288504. Its totient is φ = 1189410912000.

The previous prime is 3221321220113. The next prime is 3221321220133. The reversal of 3221321220130 is 310221231223.

It can be written as a sum of positive squares in 4 ways, for example, as 2176430424529 + 1044890795601 = 1475273^2 + 1022199^2 .

It is not an unprimeable number, because it can be changed into a prime (3221321220133) 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, 12389696871 + ... + 12389697130.

Almost surely, 2^{3221321220130} is an apocalyptic number.

3221321220130 is a deficient number, since it is larger than the sum of its proper divisors (3023086068374).

3221321220130 is a wasteful number, since it uses less digits than its factorization.

3221321220130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24779394021.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 3221321220130 its reverse (310221231223), we get a palindrome (3531542451353).

The spelling of 3221321220130 in words is "three trillion, two hundred twenty-one billion, three hundred twenty-one million, two hundred twenty thousand, one hundred thirty".