3221221300002 has 48 divisors (see below), whose sum is σ = 7352919805920. Its totient is φ = 1016358969600.

The previous prime is 3221221300001. The next prime is 3221221300039. The reversal of 3221221300002 is 2000031221223.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (3221221300001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3621199 + ... + 4422162.

It is an arithmetic number, because the mean of its divisors is an integer number (153185829290).

Almost surely, 2^{3221221300002} is an apocalyptic number.

3221221300002 is an abundant number, since it is smaller than the sum of its proper divisors (4131698505918).

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

3221221300002 is a wasteful number, since it uses less digits than its factorization.

3221221300002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8044559 (or 8044556 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 3221221300002 its reverse (2000031221223), we get a palindrome (5221252521225).

The spelling of 3221221300002 in words is "three trillion, two hundred twenty-one billion, two hundred twenty-one million, three hundred thousand, two".