204311002211 has 2 divisors, whose sum is σ = 204311002212. Its totient is φ = 204311002210.

The previous prime is 204311002169. The next prime is 204311002243. The reversal of 204311002211 is 112200113402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204311002211 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204311002211.

It is not a weakly prime, because it can be changed into another prime (204311002111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102155501105 + 102155501106.

It is an arithmetic number, because the mean of its divisors is an integer number (102155501106).

Almost surely, 2^204311002211 is an apocalyptic number.

204311002211 is a deficient number, since it is larger than the sum of its proper divisors (1).

204311002211 is an equidigital number, since it uses as much as digits as its factorization.

204311002211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 204311002211 its reverse (112200113402), we get a palindrome (316511115613).

The spelling of 204311002211 in words is "two hundred four billion, three hundred eleven million, two thousand, two hundred eleven".