222212120211 has 24 divisors (see below), whose sum is σ = 323080101344. Its totient is φ = 147169301760.

The previous prime is 222212120201. The next prime is 222212120219. The reversal of 222212120211 is 112021212222.

It is a happy number.

222212120211 is a `hidden beast` number, since 22 + 221 + 212 + 0 + 211 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-222212120211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222212120219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9281346 + ... + 9305256.

Almost surely, 2^222212120211 is an apocalyptic number.

222212120211 is a deficient number, since it is larger than the sum of its proper divisors (100867981133).

222212120211 is a wasteful number, since it uses less digits than its factorization.

222212120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30651 (or 30648 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222212120211 its reverse (112021212222), we get a palindrome (334233332433).

The spelling of 222212120211 in words is "two hundred twenty-two billion, two hundred twelve million, one hundred twenty thousand, two hundred eleven".