222112022211 has 80 divisors (see below), whose sum is σ = 341404113600. Its totient is φ = 143860147200.

The previous prime is 222112022179. The next prime is 222112022213. The reversal of 222112022211 is 112220211222.

It is a happy number.

It is not a de Polignac number, because 222112022211 - 2⁵ = 222112022179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222112022213) 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 in 79 ways as a sum of consecutive naturals, for example, 209341621 + ... + 209342681.

It is an arithmetic number, because the mean of its divisors is an integer number (4267551420).

Almost surely, 2^222112022211 is an apocalyptic number.

222112022211 is a deficient number, since it is larger than the sum of its proper divisors (119292091389).

222112022211 is a wasteful number, since it uses less digits than its factorization.

222112022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642 (or 1633 counting only the distinct ones).

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

Adding to 222112022211 its reverse (112220211222), we get a palindrome (334332233433).

The spelling of 222112022211 in words is "two hundred twenty-two billion, one hundred twelve million, twenty-two thousand, two hundred eleven".