213133201211 has 4 divisors (see below), whose sum is σ = 243580801392. Its totient is φ = 182685601032.

The previous prime is 213133201093. The next prime is 213133201231. The reversal of 213133201211 is 112102331312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213133201211 is a prime.

It is a super-2 number, since 2×213133201211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213133201231) 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, 15223800080 + ... + 15223800093.

It is an arithmetic number, because the mean of its divisors is an integer number (60895200348).

Almost surely, 2^213133201211 is an apocalyptic number.

213133201211 is a deficient number, since it is larger than the sum of its proper divisors (30447600181).

213133201211 is an equidigital number, since it uses as much as digits as its factorization.

213133201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30447600180.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 213133201211 its reverse (112102331312), we get a palindrome (325235532523).

The spelling of 213133201211 in words is "two hundred thirteen billion, one hundred thirty-three million, two hundred one thousand, two hundred eleven".