211320200233 has 2 divisors, whose sum is σ = 211320200234. Its totient is φ = 211320200232.

The previous prime is 211320200209. The next prime is 211320200249. The reversal of 211320200233 is 332002023112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207560425744 + 3759774489 = 455588^2 + 61317^2 .

It is a cyclic number.

It is not a de Polignac number, because 211320200233 - 2⁹ = 211320199721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211320200233.

It is not a weakly prime, because it can be changed into another prime (211320200293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105660100116 + 105660100117.

It is an arithmetic number, because the mean of its divisors is an integer number (105660100117).

Almost surely, 2^211320200233 is an apocalyptic number.

It is an amenable number.

211320200233 is a deficient number, since it is larger than the sum of its proper divisors (1).

211320200233 is an equidigital number, since it uses as much as digits as its factorization.

211320200233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 211320200233 its reverse (332002023112), we get a palindrome (543322223345).

The spelling of 211320200233 in words is "two hundred eleven billion, three hundred twenty million, two hundred thousand, two hundred thirty-three".