204122102311 has 2 divisors, whose sum is σ = 204122102312. Its totient is φ = 204122102310.

The previous prime is 204122102273. The next prime is 204122102323. The reversal of 204122102311 is 113201221402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204122102311 - 2³¹ = 201974618663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204122102351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102061051155 + 102061051156.

It is an arithmetic number, because the mean of its divisors is an integer number (102061051156).

Almost surely, 2^204122102311 is an apocalyptic number.

204122102311 is a deficient number, since it is larger than the sum of its proper divisors (1).

204122102311 is an equidigital number, since it uses as much as digits as its factorization.

204122102311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 204122102311 its reverse (113201221402), we get a palindrome (317323323713).

The spelling of 204122102311 in words is "two hundred four billion, one hundred twenty-two million, one hundred two thousand, three hundred eleven".