22212211211 has 8 divisors (see below), whose sum is σ = 22297984800. Its totient is φ = 22126530240.

The previous prime is 22212211201. The next prime is 22212211261. The reversal of 22212211211 is 11211221222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22212211211 - 2²⁶ = 22145102347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22212211211.

It is not an unprimeable number, because it can be changed into a prime (22212211201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478205 + ... + 522593.

It is an arithmetic number, because the mean of its divisors is an integer number (2787248100).

Almost surely, 2^22212211211 is an apocalyptic number.

22212211211 is a deficient number, since it is larger than the sum of its proper divisors (85773589).

22212211211 is a wasteful number, since it uses less digits than its factorization.

22212211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46309.

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

Adding to 22212211211 its reverse (11211221222), we get a palindrome (33423432433).

The spelling of 22212211211 in words is "twenty-two billion, two hundred twelve million, two hundred eleven thousand, two hundred eleven".