211433221124 has 12 divisors (see below), whose sum is σ = 370031284224. Its totient is φ = 105709997064.

The previous prime is 211433221099. The next prime is 211433221133. The reversal of 211433221124 is 421122334112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211433221093 and 211433221102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1581092 + ... + 1709595.

It is an arithmetic number, because the mean of its divisors is an integer number (30835940352).

Almost surely, 2^211433221124 is an apocalyptic number.

It is an amenable number.

211433221124 is a deficient number, since it is larger than the sum of its proper divisors (158598063100).

211433221124 is a wasteful number, since it uses less digits than its factorization.

211433221124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306754 (or 3306752 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

Adding to 211433221124 its reverse (421122334112), we get a palindrome (632555555236).

The spelling of 211433221124 in words is "two hundred eleven billion, four hundred thirty-three million, two hundred twenty-one thousand, one hundred twenty-four".