211223303206 has 32 divisors (see below), whose sum is σ = 327673371168. Its totient is φ = 102057096960.

The previous prime is 211223303201. The next prime is 211223303227. The reversal of 211223303206 is 602303322112.

211223303206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211223303201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3112396 + ... + 3179536.

It is an arithmetic number, because the mean of its divisors is an integer number (10239792849).

Almost surely, 2^211223303206 is an apocalyptic number.

211223303206 is a deficient number, since it is larger than the sum of its proper divisors (116450067962).

211223303206 is a wasteful number, since it uses less digits than its factorization.

211223303206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67576.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 211223303206 its reverse (602303322112), we get a palindrome (813526625318).

The spelling of 211223303206 in words is "two hundred eleven billion, two hundred twenty-three million, three hundred three thousand, two hundred six".