3301302001221 has 18 divisors (see below), whose sum is σ = 5547085676262. Its totient is φ = 1886458286160.

The previous prime is 3301302001183. The next prime is 3301302001223. The reversal of 3301302001221 is 1221002031033.

3301302001221 is a `hidden beast` number, since 330 + 1 + 302 + 0 + 0 + 12 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2040983676900 + 1260318324321 = 1428630^2 + 1122639^2 .

It is not a de Polignac number, because 3301302001221 - 2⁹ = 3301302000709 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3301302001194 and 3301302001203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3301302001223) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3742972350 + ... + 3742973231.

It is an arithmetic number, because the mean of its divisors is an integer number (308171426459).

Almost surely, 2^{3301302001221} is an apocalyptic number.

It is an amenable number.

3301302001221 is a deficient number, since it is larger than the sum of its proper divisors (2245783675041).

3301302001221 is a wasteful number, since it uses less digits than its factorization.

3301302001221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7485945601 (or 7485945591 counting only the distinct ones).

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

Adding to 3301302001221 its reverse (1221002031033), we get a palindrome (4522304032254).

The spelling of 3301302001221 in words is "three trillion, three hundred one billion, three hundred two million, one thousand, two hundred twenty-one".