22203212211 has 20 divisors (see below), whose sum is σ = 33180677112. Its totient is φ = 14796377568.

The previous prime is 22203212189. The next prime is 22203212231. The reversal of 22203212211 is 11221230222.

It is not a de Polignac number, because 22203212211 - 2⁵ = 22203212179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22203212231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 161220 + ... + 265326.

Almost surely, 2^22203212211 is an apocalyptic number.

22203212211 is a deficient number, since it is larger than the sum of its proper divisors (10977464901).

22203212211 is a wasteful number, since it uses less digits than its factorization.

22203212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106752 (or 106743 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22203212211 its reverse (11221230222), we get a palindrome (33424442433).

The spelling of 22203212211 in words is "twenty-two billion, two hundred three million, two hundred twelve thousand, two hundred eleven".