3213203310221 has 8 divisors (see below), whose sum is σ = 3258490420224. Its totient is φ = 3167917053840.

The previous prime is 3213203310197. The next prime is 3213203310223. The reversal of 3213203310221 is 1220133023123.

3213203310221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3213203310221 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 (3213203310223) 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, 13866911 + ... + 14096723.

It is an arithmetic number, because the mean of its divisors is an integer number (407311302528).

Almost surely, 2^{3213203310221} is an apocalyptic number.

It is an amenable number.

3213203310221 is a deficient number, since it is larger than the sum of its proper divisors (45287110003).

3213203310221 is a wasteful number, since it uses less digits than its factorization.

3213203310221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426811.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 3213203310221 its reverse (1220133023123), we get a palindrome (4433336333344).

The spelling of 3213203310221 in words is "three trillion, two hundred thirteen billion, two hundred three million, three hundred ten thousand, two hundred twenty-one".