211204400203 has 2 divisors, whose sum is σ = 211204400204. Its totient is φ = 211204400202.

The previous prime is 211204400167. The next prime is 211204400269. The reversal of 211204400203 is 302004402112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211204400203 is a prime.

It is not a weakly prime, because it can be changed into another prime (211204400293) 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, 105602200101 + 105602200102.

It is an arithmetic number, because the mean of its divisors is an integer number (105602200102).

Almost surely, 2^211204400203 is an apocalyptic number.

211204400203 is a deficient number, since it is larger than the sum of its proper divisors (1).

211204400203 is an equidigital number, since it uses as much as digits as its factorization.

211204400203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 211204400203 its reverse (302004402112), we get a palindrome (513208802315).

The spelling of 211204400203 in words is "two hundred eleven billion, two hundred four million, four hundred thousand, two hundred three".