3301221312321 has 4 divisors (see below), whose sum is σ = 4401628416432. Its totient is φ = 2200814208212.

The previous prime is 3301221312293. The next prime is 3301221312331. The reversal of 3301221312321 is 1232131221033.

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 3301221312321 - 2¹⁴ = 3301221295937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3301221312291 and 3301221312300.

It is not an unprimeable number, because it can be changed into a prime (3301221312331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550203552051 + ... + 550203552056.

It is an arithmetic number, because the mean of its divisors is an integer number (1100407104108).

Almost surely, 2^{3301221312321} is an apocalyptic number.

It is an amenable number.

3301221312321 is a deficient number, since it is larger than the sum of its proper divisors (1100407104111).

3301221312321 is a wasteful number, since it uses less digits than its factorization.

3301221312321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100407104110.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 3301221312321 its reverse (1232131221033), we get a palindrome (4533352533354).

The spelling of 3301221312321 in words is "three trillion, three hundred one billion, two hundred twenty-one million, three hundred twelve thousand, three hundred twenty-one".