3323001312221 has 2 divisors, whose sum is σ = 3323001312222. Its totient is φ = 3323001312220.

The previous prime is 3323001312209. The next prime is 3323001312223. The reversal of 3323001312221 is 1222131003233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1810074252100 + 1512927060121 = 1345390^2 + 1230011^2 .

It is a cyclic number.

It is not a de Polignac number, because 3323001312221 - 2¹⁰ = 3323001311197 is a prime.

It is a super-2 number, since 2×3323001312221² (a number of 26 digits) contains 22 as substring.

Together with 3323001312223, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3323001312223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1661500656110 + 1661500656111.

It is an arithmetic number, because the mean of its divisors is an integer number (1661500656111).

Almost surely, 2^{3323001312221} is an apocalyptic number.

It is an amenable number.

3323001312221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3323001312221 is an equidigital number, since it uses as much as digits as its factorization.

3323001312221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 3323001312221 its reverse (1222131003233), we get a palindrome (4545132315454).

The spelling of 3323001312221 in words is "three trillion, three hundred twenty-three billion, one million, three hundred twelve thousand, two hundred twenty-one".