211113310203 has 20 divisors (see below), whose sum is σ = 315395953488. Its totient is φ = 140729194800.

The previous prime is 211113310201. The next prime is 211113310253. The reversal of 211113310203 is 302013311112.

211113310203 is a `hidden beast` number, since 21 + 111 + 331 + 0 + 203 = 666.

It is not a de Polignac number, because 211113310203 - 2¹ = 211113310201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211113310201) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 804625 + ... + 1034237.

Almost surely, 2^211113310203 is an apocalyptic number.

211113310203 is a deficient number, since it is larger than the sum of its proper divisors (104282643285).

211113310203 is a wasteful number, since it uses less digits than its factorization.

211113310203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240976 (or 240967 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 211113310203 its reverse (302013311112), we get a palindrome (513126621315).

Subtracting 211113310203 from its reverse (302013311112), we obtain a palindrome (90900000909).

The spelling of 211113310203 in words is "two hundred eleven billion, one hundred thirteen million, three hundred ten thousand, two hundred three".