3221310013121 has 8 divisors (see below), whose sum is σ = 3225797737344. Its totient is φ = 3216823560720.

The previous prime is 3221310013091. The next prime is 3221310013153. The reversal of 3221310013121 is 1213100131223.

It is a happy number.

3221310013121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3221310013121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3221310013093 and 3221310013102.

It is not an unprimeable number, because it can be changed into a prime (3221310013021) 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, 4808696 + ... + 5437478.

It is an arithmetic number, because the mean of its divisors is an integer number (403224717168).

Almost surely, 2^{3221310013121} is an apocalyptic number.

It is an amenable number.

3221310013121 is a deficient number, since it is larger than the sum of its proper divisors (4487724223).

3221310013121 is an equidigital number, since it uses as much as digits as its factorization.

3221310013121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635911.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 3221310013121 its reverse (1213100131223), we get a palindrome (4434410144344).

The spelling of 3221310013121 in words is "three trillion, two hundred twenty-one billion, three hundred ten million, thirteen thousand, one hundred twenty-one".