211011203 has 12 divisors (see below), whose sum is σ = 235867968. Its totient is φ = 188491680.

The previous prime is 211011193. The next prime is 211011209. The reversal of 211011203 is 302110112.

It is not a de Polignac number, because 211011203 - 2⁴ = 211011187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211011209) 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 11 ways as a sum of consecutive naturals, for example, 14900 + ... + 25377.

It is an arithmetic number, because the mean of its divisors is an integer number (19655664).

Almost surely, 2^211011203 is an apocalyptic number.

211011203 is a deficient number, since it is larger than the sum of its proper divisors (24856765).

211011203 is a wasteful number, since it uses less digits than its factorization.

211011203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40334 (or 40321 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 211011203 is about 14526.2246643786. The cubic root of 211011203 is about 595.3447175079.

Adding to 211011203 its reverse (302110112), we get a palindrome (513121315).

The spelling of 211011203 in words is "two hundred eleven million, eleven thousand, two hundred three".