201211330213 has 8 divisors (see below), whose sum is σ = 202395868280. Its totient is φ = 200029452480.

The previous prime is 201211330181. The next prime is 201211330273. The reversal of 201211330213 is 312033112102.

It can be written as a sum of positive squares in 4 ways, for example, as 99321413409 + 101889916804 = 315153^2 + 319202^2 .

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 201211330213 - 2⁵ = 201211330181 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 (201211330273) 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, 513270 + ... + 816007.

It is an arithmetic number, because the mean of its divisors is an integer number (25299483535).

Almost surely, 2^201211330213 is an apocalyptic number.

It is an amenable number.

201211330213 is a deficient number, since it is larger than the sum of its proper divisors (1184538067).

201211330213 is a wasteful number, since it uses less digits than its factorization.

201211330213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330167.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 201211330213 its reverse (312033112102), we get a palindrome (513244442315).

The spelling of 201211330213 in words is "two hundred one billion, two hundred eleven million, three hundred thirty thousand, two hundred thirteen".