211232103111 has 24 divisors (see below), whose sum is σ = 307860851376. Its totient is φ = 139553568000.

The previous prime is 211232103107. The next prime is 211232103133. The reversal of 211232103111 is 111301232112.

211232103111 is a `hidden beast` number, since 21 + 12 + 321 + 0 + 311 + 1 = 666.

211232103111 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 211232103111 - 2² = 211232103107 is a prime.

It is a super-2 number, since 2×211232103111² (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 (211232103101) 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 23 ways as a sum of consecutive naturals, for example, 9073236 + ... + 9096486.

It is an arithmetic number, because the mean of its divisors is an integer number (12827535474).

Almost surely, 2^211232103111 is an apocalyptic number.

211232103111 is a deficient number, since it is larger than the sum of its proper divisors (96628748265).

211232103111 is a wasteful number, since it uses less digits than its factorization.

211232103111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32303 (or 32300 counting only the distinct ones).

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

Adding to 211232103111 its reverse (111301232112), we get a palindrome (322533335223).

The spelling of 211232103111 in words is "two hundred eleven billion, two hundred thirty-two million, one hundred three thousand, one hundred eleven".