222112212201 has 96 divisors (see below), whose sum is σ = 364231655424. Its totient is φ = 129213792000.

The previous prime is 222112212193. The next prime is 222112212277. The reversal of 222112212201 is 102212211222.

It is a happy number.

222112212201 is a `hidden beast` number, since 2 + 221 + 1 + 221 + 220 + 1 = 666.

It is not a de Polignac number, because 222112212201 - 2³ = 222112212193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222112012201) 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 95 ways as a sum of consecutive naturals, for example, 273874086 + ... + 273874896.

It is an arithmetic number, because the mean of its divisors is an integer number (3794079744).

Almost surely, 2^222112212201 is an apocalyptic number.

It is an amenable number.

222112212201 is a deficient number, since it is larger than the sum of its proper divisors (142119443223).

222112212201 is a wasteful number, since it uses less digits than its factorization.

222112212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475 (or 1472 counting only the distinct ones).

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

Adding to 222112212201 its reverse (102212211222), we get a palindrome (324324423423).

The spelling of 222112212201 in words is "two hundred twenty-two billion, one hundred twelve million, two hundred twelve thousand, two hundred one".