204424111 has 2 divisors, whose sum is σ = 204424112. Its totient is φ = 204424110.

The previous prime is 204424093. The next prime is 204424151. The reversal of 204424111 is 111424402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204424111 - 2⁵ = 204424079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204424151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102212055 + 102212056.

It is an arithmetic number, because the mean of its divisors is an integer number (102212056).

Almost surely, 2^204424111 is an apocalyptic number.

204424111 is a deficient number, since it is larger than the sum of its proper divisors (1).

204424111 is an equidigital number, since it uses as much as digits as its factorization.

204424111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 204424111 is about 14297.6960032028. The cubic root of 204424111 is about 589.0841973368.

Adding to 204424111 its reverse (111424402), we get a palindrome (315848513).

The spelling of 204424111 in words is "two hundred four million, four hundred twenty-four thousand, one hundred eleven".