204424243310111 has 16 divisors (see below), whose sum is σ = 225217319476896. Its totient is φ = 183999360000000.

The previous prime is 204424243310107. The next prime is 204424243310117. The reversal of 204424243310111 is 111013342424402.

It is a cyclic number.

It is not a de Polignac number, because 204424243310111 - 2² = 204424243310107 is a prime.

It is a super-2 number, since 2×204424243310111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204424243310117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452841311 + ... + 453292511.

It is an arithmetic number, because the mean of its divisors is an integer number (14076082467306).

Almost surely, 2^{204424243310111} is an apocalyptic number.

204424243310111 is a deficient number, since it is larger than the sum of its proper divisors (20793076166785).

204424243310111 is a wasteful number, since it uses less digits than its factorization.

204424243310111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859114.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 204424243310111 its reverse (111013342424402), we get a palindrome (315437585734513).

The spelling of 204424243310111 in words is "two hundred four trillion, four hundred twenty-four billion, two hundred forty-three million, three hundred ten thousand, one hundred eleven".