211132124120 has 32 divisors (see below), whose sum is σ = 475870636800. Its totient is φ = 84306475008.

The previous prime is 211132124023. The next prime is 211132124129. The reversal of 211132124120 is 21421231112.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 211132124092 and 211132124101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211132124129) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4550840 + ... + 4596999.

It is an arithmetic number, because the mean of its divisors is an integer number (14870957400).

Almost surely, 2^211132124120 is an apocalyptic number.

211132124120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211132124120 is an abundant number, since it is smaller than the sum of its proper divisors (264738512680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211132124120 is a wasteful number, since it uses less digits than its factorization.

211132124120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9148427 (or 9148423 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 211132124120 its reverse (21421231112), we get a palindrome (232553355232).

The spelling of 211132124120 in words is "two hundred eleven billion, one hundred thirty-two million, one hundred twenty-four thousand, one hundred twenty".