211003323203 has 16 divisors (see below), whose sum is σ = 223958701824. Its totient is φ = 198445178880.

The previous prime is 211003323191. The next prime is 211003323211. The reversal of 211003323203 is 302323300112.

It is a cyclic number.

It is not a de Polignac number, because 211003323203 - 2⁸ = 211003322947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211003323403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 875651 + ... + 1090307.

It is an arithmetic number, because the mean of its divisors is an integer number (13997418864).

Almost surely, 2^211003323203 is an apocalyptic number.

211003323203 is a deficient number, since it is larger than the sum of its proper divisors (12955378621).

211003323203 is a wasteful number, since it uses less digits than its factorization.

211003323203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215582.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 211003323203 its reverse (302323300112), we get a palindrome (513326623315).

The spelling of 211003323203 in words is "two hundred eleven billion, three million, three hundred twenty-three thousand, two hundred three".