204104202011 has 2 divisors, whose sum is σ = 204104202012. Its totient is φ = 204104202010.

The previous prime is 204104201953. The next prime is 204104202013. The reversal of 204104202011 is 110202401402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204104202011 is a prime.

Together with 204104202013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (204104202013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102052101005 + 102052101006.

It is an arithmetic number, because the mean of its divisors is an integer number (102052101006).

Almost surely, 2^204104202011 is an apocalyptic number.

204104202011 is a deficient number, since it is larger than the sum of its proper divisors (1).

204104202011 is an equidigital number, since it uses as much as digits as its factorization.

204104202011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 204104202011 its reverse (110202401402), we get a palindrome (314306603413).

The spelling of 204104202011 in words is "two hundred four billion, one hundred four million, two hundred two thousand, eleven".