3313123133221 has 4 divisors (see below), whose sum is σ = 3614316145344. Its totient is φ = 3011930121100.

The previous prime is 3313123133219. The next prime is 3313123133291. The reversal of 3313123133221 is 1223313213133.

It is a happy number.

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 3313123133221 - 2¹ = 3313123133219 is a prime.

It is a super-2 number, since 2×3313123133221² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3313123133221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3313123133291) 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, 150596506045 + ... + 150596506066.

It is an arithmetic number, because the mean of its divisors is an integer number (903579036336).

Almost surely, 2^{3313123133221} is an apocalyptic number.

It is an amenable number.

3313123133221 is a deficient number, since it is larger than the sum of its proper divisors (301193012123).

3313123133221 is a wasteful number, since it uses less digits than its factorization.

3313123133221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301193012122.

The product of its digits is 5832, while the sum is 28.

Adding to 3313123133221 its reverse (1223313213133), we get a palindrome (4536436346354).

The spelling of 3313123133221 in words is "three trillion, three hundred thirteen billion, one hundred twenty-three million, one hundred thirty-three thousand, two hundred twenty-one".