211204233 has 8 divisors (see below), whose sum is σ = 312895200. Its totient is φ = 140802804.

The previous prime is 211204219. The next prime is 211204241. The reversal of 211204233 is 332402112.

It is not a de Polignac number, because 211204233 - 2¹⁴ = 211187849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211204933) 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, 3911163 + ... + 3911216.

It is an arithmetic number, because the mean of its divisors is an integer number (39111900).

Almost surely, 2^211204233 is an apocalyptic number.

It is an amenable number.

211204233 is a deficient number, since it is larger than the sum of its proper divisors (101690967).

211204233 is an equidigital number, since it uses as much as digits as its factorization.

211204233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7822388 (or 7822382 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 211204233 is about 14532.8673358013. The cubic root of 211204233 is about 595.5261997622.

Adding to 211204233 its reverse (332402112), we get a palindrome (543606345).

The spelling of 211204233 in words is "two hundred eleven million, two hundred four thousand, two hundred thirty-three".