211330203 has 16 divisors (see below), whose sum is σ = 323318016. Its totient is φ = 120276000.

The previous prime is 211330177. The next prime is 211330211. The reversal of 211330203 is 302033112.

It is not a de Polignac number, because 211330203 - 2⁸ = 211329947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211330303) 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 15 ways as a sum of consecutive naturals, for example, 14776 + ... + 25317.

It is an arithmetic number, because the mean of its divisors is an integer number (20207376).

Almost surely, 2^211330203 is an apocalyptic number.

211330203 is a deficient number, since it is larger than the sum of its proper divisors (111987813).

211330203 is a wasteful number, since it uses less digits than its factorization.

211330203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40354.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 211330203 is about 14537.2006589990. The cubic root of 211330203 is about 595.6445741664.

Adding to 211330203 its reverse (302033112), we get a palindrome (513363315).

The spelling of 211330203 in words is "two hundred eleven million, three hundred thirty thousand, two hundred three".