3221312320001 has 4 divisors (see below), whose sum is σ = 3221317827504. Its totient is φ = 3221306812500.

The previous prime is 3221312319997. The next prime is 3221312320013. The reversal of 3221312320001 is 1000232131223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3221312320001 - 2² = 3221312319997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3221314320001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1755875 + ... + 3086376.

It is an arithmetic number, because the mean of its divisors is an integer number (805329456876).

Almost surely, 2^{3221312320001} is an apocalyptic number.

It is an amenable number.

3221312320001 is a deficient number, since it is larger than the sum of its proper divisors (5507503).

3221312320001 is an equidigital number, since it uses as much as digits as its factorization.

3221312320001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5507502.

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

Adding to 3221312320001 its reverse (1000232131223), we get a palindrome (4221544451224).

The spelling of 3221312320001 in words is "three trillion, two hundred twenty-one billion, three hundred twelve million, three hundred twenty thousand, one".