3221066352001 has 4 divisors (see below), whose sum is σ = 3226425864004. Its totient is φ = 3215706840000.

The previous prime is 3221066351927. The next prime is 3221066352089. The reversal of 3221066352001 is 1002536601223.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2681157355776 + 539908996225 = 1637424^2 + 734785^2 .

It is a cyclic number.

It is not a de Polignac number, because 3221066352001 - 2¹¹ = 3221066349953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3221066350001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2679755100 + ... + 2679756301.

It is an arithmetic number, because the mean of its divisors is an integer number (806606466001).

Almost surely, 2^{3221066352001} is an apocalyptic number.

It is an amenable number.

3221066352001 is a deficient number, since it is larger than the sum of its proper divisors (5359512003).

3221066352001 is an equidigital number, since it uses as much as digits as its factorization.

3221066352001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5359512002.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 3221066352001 in words is "three trillion, two hundred twenty-one billion, sixty-six million, three hundred fifty-two thousand, one".