211042344204 has 72 divisors (see below), whose sum is σ = 539957483520. Its totient is φ = 69496888032.

The previous prime is 211042344203. The next prime is 211042344223. The reversal of 211042344204 is 402443240112.

211042344204 is a `hidden beast` number, since 2 + 1 + 1 + 0 + 4 + 234 + 420 + 4 = 666.

It is a super-2 number, since 2×211042344204² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211042344203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 872277 + ... + 1087635.

Almost surely, 2^211042344204 is an apocalyptic number.

It is an amenable number.

211042344204 is an abundant number, since it is smaller than the sum of its proper divisors (328915139316).

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

211042344204 is a wasteful number, since it uses less digits than its factorization.

211042344204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215699 (or 215694 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 211042344204 its reverse (402443240112), we get a palindrome (613485584316).

The spelling of 211042344204 in words is "two hundred eleven billion, forty-two million, three hundred forty-four thousand, two hundred four".