211133212 has 24 divisors (see below), whose sum is σ = 378088704. Its totient is φ = 103116912.

The previous prime is 211133189. The next prime is 211133213. The reversal of 211133212 is 212331112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211133213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147243 + ... + 148669.

It is an arithmetic number, because the mean of its divisors is an integer number (15753696).

Almost surely, 2^211133212 is an apocalyptic number.

It is an amenable number.

211133212 is a deficient number, since it is larger than the sum of its proper divisors (166955492).

211133212 is a wasteful number, since it uses less digits than its factorization.

211133212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265 (or 2263 counting only the distinct ones).

The product of its digits is 72, while the sum is 16.

The square root of 211133212 is about 14530.4236689781. The cubic root of 211133212 is about 595.4594403554.

Adding to 211133212 its reverse (212331112), we get a palindrome (423464324).

The spelling of 211133212 in words is "two hundred eleven million, one hundred thirty-three thousand, two hundred twelve".