3331220221333 has 4 divisors (see below), whose sum is σ = 3331241977248. Its totient is φ = 3331198465420.

The previous prime is 3331220221309. The next prime is 3331220221361.

3331220221333 is nontrivially palindromic in base 10.

3331220221333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-3331220221333 is a prime.

It is a super-2 number, since 2×3331220221333² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3331220201333) 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, 10646641 + ... + 10955062.

It is an arithmetic number, because the mean of its divisors is an integer number (832810494312).

Almost surely, 2^{3331220221333} is an apocalyptic number.

It is an amenable number.

3331220221333 is a deficient number, since it is larger than the sum of its proper divisors (21755915).

3331220221333 is a wasteful number, since it uses less digits than its factorization.

3331220221333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21755914.

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

It can be divided in two parts, 3331220 and 221333, that added together give a palindrome (3552553).

The spelling of 3331220221333 in words is "three trillion, three hundred thirty-one billion, two hundred twenty million, two hundred twenty-one thousand, three hundred thirty-three".