3221021032130 has 96 divisors (see below), whose sum is σ = 6546722107968. Its totient is φ = 1139336288640.

The previous prime is 3221021032129. The next prime is 3221021032133. The reversal of 3221021032130 is 312301201223.

It is not an unprimeable number, because it can be changed into a prime (3221021032133) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 260868617 + ... + 260880963.

It is an arithmetic number, because the mean of its divisors is an integer number (68195021958).

Almost surely, 2^{3221021032130} is an apocalyptic number.

3221021032130 is an abundant number, since it is smaller than the sum of its proper divisors (3325701075838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3221021032130 is a wasteful number, since it uses less digits than its factorization.

3221021032130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18240 (or 18229 counting only the distinct ones).

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

Adding to 3221021032130 its reverse (312301201223), we get a palindrome (3533322233353).

The spelling of 3221021032130 in words is "three trillion, two hundred twenty-one billion, twenty-one million, thirty-two thousand, one hundred thirty".