204122243311 has 16 divisors (see below), whose sum is σ = 247034382336. Its totient is φ = 164650502016.

The previous prime is 204122243267. The next prime is 204122243317. The reversal of 204122243311 is 113342221402.

204122243311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 204122243311 - 2¹⁷ = 204122112239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204122243317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 950650 + ... + 1145416.

It is an arithmetic number, because the mean of its divisors is an integer number (15439648896).

Almost surely, 2^204122243311 is an apocalyptic number.

204122243311 is a deficient number, since it is larger than the sum of its proper divisors (42912139025).

204122243311 is a wasteful number, since it uses less digits than its factorization.

204122243311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203598.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 204122243311 its reverse (113342221402), we get a palindrome (317464464713).

The spelling of 204122243311 in words is "two hundred four billion, one hundred twenty-two million, two hundred forty-three thousand, three hundred eleven".