211321030223 has 2 divisors, whose sum is σ = 211321030224. Its totient is φ = 211321030222.

The previous prime is 211321030199. The next prime is 211321030259. The reversal of 211321030223 is 322030123112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211321030223 - 2⁸ = 211321029967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211321030195 and 211321030204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211321030273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105660515111 + 105660515112.

It is an arithmetic number, because the mean of its divisors is an integer number (105660515112).

Almost surely, 2^211321030223 is an apocalyptic number.

211321030223 is a deficient number, since it is larger than the sum of its proper divisors (1).

211321030223 is an equidigital number, since it uses as much as digits as its factorization.

211321030223 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 20.

Adding to 211321030223 its reverse (322030123112), we get a palindrome (533351153335).

The spelling of 211321030223 in words is "two hundred eleven billion, three hundred twenty-one million, thirty thousand, two hundred twenty-three".