211133223 has 24 divisors (see below), whose sum is σ = 361449088. Its totient is φ = 120646584.

The previous prime is 211133213. The next prime is 211133249. The reversal of 211133223 is 322331112.

211133223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211133223 - 2⁹ = 211132711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211133196 and 211133205.

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60361 + ... + 63762.

Almost surely, 2^211133223 is an apocalyptic number.

211133223 is a deficient number, since it is larger than the sum of its proper divisors (150315865).

211133223 is an equidigital number, since it uses as much as digits as its factorization.

211133223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124145 (or 124133 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 211133223 is about 14530.4240474943. The cubic root of 211133223 is about 595.4594506966.

Adding to 211133223 its reverse (322331112), we get a palindrome (533464335).

It can be divided in two parts, 21113 and 3223, that added together give a square (24336 = 156²).

The spelling of 211133223 in words is "two hundred eleven million, one hundred thirty-three thousand, two hundred twenty-three".