3320031001221 has 12 divisors (see below), whose sum is σ = 5231564002080. Its totient is φ = 2012140000680.

The previous prime is 3320031001211. The next prime is 3320031001249. The reversal of 3320031001221 is 1221001300233.

3320031001221 is a `hidden beast` number, since 3 + 320 + 0 + 310 + 0 + 12 + 21 = 666.

It is not a de Polignac number, because 3320031001221 - 2⁷ = 3320031001093 is a prime.

It is a super-2 number, since 2×3320031001221² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3320031001194 and 3320031001203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3320031001201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16767833241 + ... + 16767833438.

It is an arithmetic number, because the mean of its divisors is an integer number (435963666840).

Almost surely, 2^{3320031001221} is an apocalyptic number.

It is an amenable number.

3320031001221 is a deficient number, since it is larger than the sum of its proper divisors (1911533000859).

3320031001221 is a wasteful number, since it uses less digits than its factorization.

3320031001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33535666696 (or 33535666693 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 3320031001221 its reverse (1221001300233), we get a palindrome (4541032301454).

The spelling of 3320031001221 in words is "three trillion, three hundred twenty billion, thirty-one million, one thousand, two hundred twenty-one".