211223232213 has 16 divisors (see below), whose sum is σ = 329349182976. Its totient is φ = 117892036080.

The previous prime is 211223232179. The next prime is 211223232223. The reversal of 211223232213 is 312232322112.

It is not a de Polignac number, because 211223232213 - 2⁶ = 211223232149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211223232223) 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, 116955483 + ... + 116957288.

It is an arithmetic number, because the mean of its divisors is an integer number (20584323936).

Almost surely, 2^211223232213 is an apocalyptic number.

It is an amenable number.

211223232213 is a deficient number, since it is larger than the sum of its proper divisors (118125950763).

211223232213 is a wasteful number, since it uses less digits than its factorization.

211223232213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233912824.

The product of its digits is 1728, while the sum is 24.

Adding to 211223232213 its reverse (312232322112), we get a palindrome (523455554325).

The spelling of 211223232213 in words is "two hundred eleven billion, two hundred twenty-three million, two hundred thirty-two thousand, two hundred thirteen".