211223303227 has 2 divisors, whose sum is σ = 211223303228. Its totient is φ = 211223303226.

The previous prime is 211223303201. The next prime is 211223303237. The reversal of 211223303227 is 722303322112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211223303227 is a prime.

It is a super-2 number, since 2×211223303227² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211223303195 and 211223303204.

It is not a weakly prime, because it can be changed into another prime (211223303237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105611651613 + 105611651614.

It is an arithmetic number, because the mean of its divisors is an integer number (105611651614).

Almost surely, 2^211223303227 is an apocalyptic number.

211223303227 is a deficient number, since it is larger than the sum of its proper divisors (1).

211223303227 is an equidigital number, since it uses as much as digits as its factorization.

211223303227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 211223303227 its reverse (722303322112), we get a palindrome (933526625339).

The spelling of 211223303227 in words is "two hundred eleven billion, two hundred twenty-three million, three hundred three thousand, two hundred twenty-seven".