211120211222 has 16 divisors (see below), whose sum is σ = 324075586560. Its totient is φ = 103095479592.

The previous prime is 211120211173. The next prime is 211120211261. The reversal of 211120211222 is 222112021112.

It is a self number, because there is not a number n which added to its sum of digits gives 211120211222.

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, 845843 + ... + 1066625.

It is an arithmetic number, because the mean of its divisors is an integer number (20254724160).

Almost surely, 2^211120211222 is an apocalyptic number.

211120211222 is a deficient number, since it is larger than the sum of its proper divisors (112955375338).

211120211222 is a wasteful number, since it uses less digits than its factorization.

211120211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231947.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211120211222 its reverse (222112021112), we get a palindrome (433232232334).

The spelling of 211120211222 in words is "two hundred eleven billion, one hundred twenty million, two hundred eleven thousand, two hundred twenty-two".