222011212211 has 16 divisors (see below), whose sum is σ = 229697648640. Its totient is φ = 214450454400.

The previous prime is 222011212169. The next prime is 222011212231. The reversal of 222011212211 is 112212110222.

222011212211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 222011212211 - 2³⁰ = 220937470387 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 222011212211.

It is not an unprimeable number, because it can be changed into a prime (222011212231) 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 15 ways as a sum of consecutive naturals, for example, 10389440 + ... + 10410786.

It is an arithmetic number, because the mean of its divisors is an integer number (14356103040).

Almost surely, 2^222011212211 is an apocalyptic number.

222011212211 is a deficient number, since it is larger than the sum of its proper divisors (7686436429).

222011212211 is a wasteful number, since it uses less digits than its factorization.

222011212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24274.

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

Adding to 222011212211 its reverse (112212110222), we get a palindrome (334223322433).

The spelling of 222011212211 in words is "two hundred twenty-two billion, eleven million, two hundred twelve thousand, two hundred eleven".