211211002012223 has 2 divisors, whose sum is σ = 211211002012224. Its totient is φ = 211211002012222.

The previous prime is 211211002012181. The next prime is 211211002012249. The reversal of 211211002012223 is 322210200112112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211211002012223 - 2¹⁰ = 211211002011199 is a prime.

It is a super-2 number, since 2×211211002012223² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211211002012195 and 211211002012204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211211002012123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105605501006111 + 105605501006112.

It is an arithmetic number, because the mean of its divisors is an integer number (105605501006112).

Almost surely, 2^{211211002012223} is an apocalyptic number.

211211002012223 is a deficient number, since it is larger than the sum of its proper divisors (1).

211211002012223 is an equidigital number, since it uses as much as digits as its factorization.

211211002012223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 211211002012223 its reverse (322210200112112), we get a palindrome (533421202124335).

The spelling of 211211002012223 in words is "two hundred eleven trillion, two hundred eleven billion, two million, twelve thousand, two hundred twenty-three".