211112311203 has 32 divisors (see below), whose sum is σ = 315932270400. Its totient is φ = 139314240000.

The previous prime is 211112311171. The next prime is 211112311213. The reversal of 211112311203 is 302113211112.

It is not a de Polignac number, because 211112311203 - 2⁵ = 211112311171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211112311213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16631083 + ... + 16643771.

It is an arithmetic number, because the mean of its divisors is an integer number (9872883450).

Almost surely, 2^211112311203 is an apocalyptic number.

211112311203 is a deficient number, since it is larger than the sum of its proper divisors (104819959197).

211112311203 is a wasteful number, since it uses less digits than its factorization.

211112311203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18900 (or 18894 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 211112311203 its reverse (302113211112), we get a palindrome (513225522315).

The spelling of 211112311203 in words is "two hundred eleven billion, one hundred twelve million, three hundred eleven thousand, two hundred three".