3333223013221 has 2 divisors, whose sum is σ = 3333223013222. Its totient is φ = 3333223013220.

The previous prime is 3333223013161. The next prime is 3333223013297. The reversal of 3333223013221 is 1223103223333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3173247012321 + 159976000900 = 1781361^2 + 399970^2 .

It is an emirp because it is prime and its reverse (1223103223333) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3333223013221 - 2²⁵ = 3333189458789 is a prime.

It is a super-2 number, since 2×3333223013221² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3333223013221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3333223013321) 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, 1666611506610 + 1666611506611.

It is an arithmetic number, because the mean of its divisors is an integer number (1666611506611).

Almost surely, 2^{3333223013221} is an apocalyptic number.

It is an amenable number.

3333223013221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3333223013221 is an equidigital number, since it uses as much as digits as its factorization.

3333223013221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 3333223013221 its reverse (1223103223333), we get a palindrome (4556326236554).

The spelling of 3333223013221 in words is "three trillion, three hundred thirty-three billion, two hundred twenty-three million, thirteen thousand, two hundred twenty-one".