211133331223 has 8 divisors (see below), whose sum is σ = 223570510128. Its totient is φ = 198698104704.

The previous prime is 211133331197. The next prime is 211133331247. The reversal of 211133331223 is 322133331112.

211133331223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 211133331223 - 2²¹ = 211131234071 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 (211133331263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262461 + ... + 700822.

It is an arithmetic number, because the mean of its divisors is an integer number (27946313766).

Almost surely, 2^211133331223 is an apocalyptic number.

211133331223 is a deficient number, since it is larger than the sum of its proper divisors (12437178905).

211133331223 is a wasteful number, since it uses less digits than its factorization.

211133331223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976193.

The product of its digits is 1944, while the sum is 25.

Adding to 211133331223 its reverse (322133331112), we get a palindrome (533266662335).

The spelling of 211133331223 in words is "two hundred eleven billion, one hundred thirty-three million, three hundred thirty-one thousand, two hundred twenty-three".