211112310303 has 6 divisors (see below), whose sum is σ = 304940003784. Its totient is φ = 140741540196.

The previous prime is 211112310289. The next prime is 211112310347. The reversal of 211112310303 is 303013211112.

211112310303 is a `hidden beast` number, since 21 + 111 + 231 + 0 + 303 = 666.

211112310303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211112310303 - 2⁴ = 211112310287 is a prime.

It is a super-2 number, since 2×211112310303² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211112310103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11728461675 + ... + 11728461692.

It is an arithmetic number, because the mean of its divisors is an integer number (50823333964).

Almost surely, 2^211112310303 is an apocalyptic number.

211112310303 is a deficient number, since it is larger than the sum of its proper divisors (93827693481).

211112310303 is a wasteful number, since it uses less digits than its factorization.

211112310303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23456923373 (or 23456923370 counting only the distinct ones).

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

Adding to 211112310303 its reverse (303013211112), we get a palindrome (514125521415).

The spelling of 211112310303 in words is "two hundred eleven billion, one hundred twelve million, three hundred ten thousand, three hundred three".