212223303211 has 2 divisors, whose sum is σ = 212223303212. Its totient is φ = 212223303210.

The previous prime is 212223303191. The next prime is 212223303221. The reversal of 212223303211 is 112303322212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212223303211 - 2¹¹ = 212223301163 is a prime.

It is a super-3 number, since 3×212223303211³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (212223303221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106111651605 + 106111651606.

It is an arithmetic number, because the mean of its divisors is an integer number (106111651606).

Almost surely, 2^212223303211 is an apocalyptic number.

212223303211 is a deficient number, since it is larger than the sum of its proper divisors (1).

212223303211 is an equidigital number, since it uses as much as digits as its factorization.

212223303211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 212223303211 its reverse (112303322212), we get a palindrome (324526625423).

The spelling of 212223303211 in words is "two hundred twelve billion, two hundred twenty-three million, three hundred three thousand, two hundred eleven".