3321212322221 has 8 divisors (see below), whose sum is σ = 3333716680320. Its totient is φ = 3308709133872.

The previous prime is 3321212322217. The next prime is 3321212322251. The reversal of 3321212322221 is 1222232121233.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3321212322221 - 2² = 3321212322217 is a prime.

It is a super-2 number, since 2×3321212322221² (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 (3321212322251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5621336 + ... + 6183998.

It is an arithmetic number, because the mean of its divisors is an integer number (416714585040).

Almost surely, 2^{3321212322221} is an apocalyptic number.

It is an amenable number.

3321212322221 is a deficient number, since it is larger than the sum of its proper divisors (12504358099).

3321212322221 is a wasteful number, since it uses less digits than its factorization.

3321212322221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584875.

The product of its digits is 3456, while the sum is 26.

Adding to 3321212322221 its reverse (1222232121233), we get a palindrome (4543444443454).

The spelling of 3321212322221 in words is "three trillion, three hundred twenty-one billion, two hundred twelve million, three hundred twenty-two thousand, two hundred twenty-one".