201213203321 has 16 divisors (see below), whose sum is σ = 218649446400. Its totient is φ = 184057332480.

The previous prime is 201213203299. The next prime is 201213203357. The reversal of 201213203321 is 123302312102.

It is a cyclic number.

It is not a de Polignac number, because 201213203321 - 2³⁰ = 200139461497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201213203293 and 201213203302.

It is not an unprimeable number, because it can be changed into a prime (201213203371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11300936 + ... + 11318726.

It is an arithmetic number, because the mean of its divisors is an integer number (13665590400).

Almost surely, 2^201213203321 is an apocalyptic number.

It is an amenable number.

201213203321 is a deficient number, since it is larger than the sum of its proper divisors (17436243079).

201213203321 is a wasteful number, since it uses less digits than its factorization.

201213203321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25616.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 201213203321 its reverse (123302312102), we get a palindrome (324515515423).

The spelling of 201213203321 in words is "two hundred one billion, two hundred thirteen million, two hundred three thousand, three hundred twenty-one".