3221310121 has 8 divisors (see below), whose sum is σ = 3232228320. Its totient is φ = 3210405408.

The previous prime is 3221310107. The next prime is 3221310133. The reversal of 3221310121 is 1210131223.

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

It is a cyclic number.

It is not a de Polignac number, because 3221310121 - 2⁵ = 3221310089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3221310095 and 3221310104.

It is not an unprimeable number, because it can be changed into a prime (3221310721) 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, 720525 + ... + 724981.

It is an arithmetic number, because the mean of its divisors is an integer number (404028540).

Almost surely, 2^3221310121 is an apocalyptic number.

It is an amenable number.

3221310121 is a deficient number, since it is larger than the sum of its proper divisors (10918199).

3221310121 is a wasteful number, since it uses less digits than its factorization.

3221310121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6743.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3221310121 is about 56756.5865869328. The cubic root of 3221310121 is about 1476.8764964719.

Adding to 3221310121 its reverse (1210131223), we get a palindrome (4431441344).

The spelling of 3221310121 in words is "three billion, two hundred twenty-one million, three hundred ten thousand, one hundred twenty-one".