3324340421221 has 8 divisors (see below), whose sum is σ = 3327383395224. Its totient is φ = 3321297960960.

The previous prime is 3324340421209. The next prime is 3324340421287. The reversal of 3324340421221 is 1221240434233.

It can be written as a sum of positive squares in 4 ways, for example, as 17449089025 + 3306891332196 = 132095^2 + 1818486^2 .

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 3324340421221 - 2¹⁷ = 3324340290149 is a prime.

It is a super-2 number, since 2×3324340421221² (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 (3324340421291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13475301 + ... + 13719781.

It is an arithmetic number, because the mean of its divisors is an integer number (415922924403).

Almost surely, 2^{3324340421221} is an apocalyptic number.

It is an amenable number.

3324340421221 is a deficient number, since it is larger than the sum of its proper divisors (3042974003).

3324340421221 is a wasteful number, since it uses less digits than its factorization.

3324340421221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256871.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 3324340421221 its reverse (1221240434233), we get a palindrome (4545580855454).

The spelling of 3324340421221 in words is "three trillion, three hundred twenty-four billion, three hundred forty million, four hundred twenty-one thousand, two hundred twenty-one".