3203213132221 has 8 divisors (see below), whose sum is σ = 3350900993400. Its totient is φ = 3058007420160.

The previous prime is 3203213132213. The next prime is 3203213132239. The reversal of 3203213132221 is 1222313123023.

3203213132221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 324045562500 + 2879167569721 = 569250^2 + 1696811^2 .

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 3203213132221 - 2³ = 3203213132213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3203213138221) 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, 620534640 + ... + 620539801.

It is an arithmetic number, because the mean of its divisors is an integer number (418862624175).

Almost surely, 2^{3203213132221} is an apocalyptic number.

It is an amenable number.

3203213132221 is a deficient number, since it is larger than the sum of its proper divisors (147687861179).

3203213132221 is a wasteful number, since it uses less digits than its factorization.

3203213132221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241074559.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 3203213132221 its reverse (1222313123023), we get a palindrome (4425526255244).

The spelling of 3203213132221 in words is "three trillion, two hundred three billion, two hundred thirteen million, one hundred thirty-two thousand, two hundred twenty-one".