3312332221421 has 4 divisors (see below), whose sum is σ = 3312384977244. Its totient is φ = 3312279465600.

The previous prime is 3312332221397. The next prime is 3312332221493. The reversal of 3312332221421 is 1241222332133.

3312332221421 is digitally balanced in base 3, 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2784509629225 + 527822592196 = 1668685^2 + 726514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3312332221421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3312332221921) 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, 26283620 + ... + 26409341.

It is an arithmetic number, because the mean of its divisors is an integer number (828096244311).

Almost surely, 2^{3312332221421} is an apocalyptic number.

It is an amenable number.

3312332221421 is a deficient number, since it is larger than the sum of its proper divisors (52755823).

3312332221421 is an equidigital number, since it uses as much as digits as its factorization.

3312332221421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52755822.

The product of its digits is 10368, while the sum is 29.

Adding to 3312332221421 its reverse (1241222332133), we get a palindrome (4553554553554).

The spelling of 3312332221421 in words is "three trillion, three hundred twelve billion, three hundred thirty-two million, two hundred twenty-one thousand, four hundred twenty-one".