211424124 has 12 divisors (see below), whose sum is σ = 493322984. Its totient is φ = 70474704.

The previous prime is 211424117. The next prime is 211424131. The reversal of 211424124 is 421424112.

211424124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (211424117) and next prime (211424131).

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 211424124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8809327 + ... + 8809350.

Almost surely, 2^211424124 is an apocalyptic number.

It is an amenable number.

211424124 is an abundant number, since it is smaller than the sum of its proper divisors (281898860).

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

211424124 is a wasteful number, since it uses less digits than its factorization.

211424124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17618684 (or 17618682 counting only the distinct ones).

The product of its digits is 512, while the sum is 21.

The square root of 211424124 is about 14540.4306676247. The cubic root of 211424124 is about 595.7328014172.

Adding to 211424124 its reverse (421424112), we get a palindrome (632848236).

The spelling of 211424124 in words is "two hundred eleven million, four hundred twenty-four thousand, one hundred twenty-four".