211134120 has 64 divisors (see below), whose sum is σ = 642349440. Its totient is φ = 55507200.

The previous prime is 211134083. The next prime is 211134179. The reversal of 211134120 is 21431112.

211134120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 211134120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3871 + ... + 20910.

It is an arithmetic number, because the mean of its divisors is an integer number (10036710).

Almost surely, 2^211134120 is an apocalyptic number.

211134120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211134120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321174720).

211134120 is an abundant number, since it is smaller than the sum of its proper divisors (431215320).

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

211134120 is a wasteful number, since it uses less digits than its factorization.

211134120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24866 (or 24862 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 211134120 is about 14530.4549137321. The cubic root of 211134120 is about 595.4602939657.

Adding to 211134120 its reverse (21431112), we get a palindrome (232565232).

The spelling of 211134120 in words is "two hundred eleven million, one hundred thirty-four thousand, one hundred twenty".