211000111222 has 16 divisors (see below), whose sum is σ = 322511667120. Its totient is φ = 103496713632.

The previous prime is 211000111213. The next prime is 211000111241. The reversal of 211000111222 is 222111000112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770593 + ... + 1007875.

It is an arithmetic number, because the mean of its divisors is an integer number (20156979195).

Almost surely, 2^211000111222 is an apocalyptic number.

211000111222 is a deficient number, since it is larger than the sum of its proper divisors (111511555898).

211000111222 is a wasteful number, since it uses less digits than its factorization.

211000111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245727.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211000111222 its reverse (222111000112), we get a palindrome (433111111334).

The spelling of 211000111222 in words is "two hundred eleven billion, one hundred eleven thousand, two hundred twenty-two".