211040203 has 8 divisors (see below), whose sum is σ = 240235776. Its totient is φ = 183513000.

The previous prime is 211040197. The next prime is 211040209. The reversal of 211040203 is 302040112.

It is an interprime number because it is at equal distance from previous prime (211040197) and next prime (211040209).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211040203 - 2⁵ = 211040171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211040209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416823 + ... + 417328.

It is an arithmetic number, because the mean of its divisors is an integer number (30029472).

Almost surely, 2^211040203 is an apocalyptic number.

211040203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

211040203 is a deficient number, since it is larger than the sum of its proper divisors (29195573).

211040203 is a wasteful number, since it uses less digits than its factorization.

211040203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834185.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 211040203 is about 14527.2228247522. Note that the first 3 decimals coincide. The cubic root of 211040203 is about 595.3719896870.

Adding to 211040203 its reverse (302040112), we get a palindrome (513080315).

Subtracting 211040203 from its reverse (302040112), we obtain a palindrome (90999909).

The spelling of 211040203 in words is "two hundred eleven million, forty thousand, two hundred three".