222210111211 has 16 divisors (see below), whose sum is σ = 245393155296. Its totient is φ = 199533600000.

The previous prime is 222210111199. The next prime is 222210111287. The reversal of 222210111211 is 112111012222.

It is a cyclic number.

It is not a de Polignac number, because 222210111211 - 2¹⁵ = 222210078443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222210111911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230191 + ... + 705271.

It is an arithmetic number, because the mean of its divisors is an integer number (15337072206).

Almost surely, 2^222210111211 is an apocalyptic number.

222210111211 is a deficient number, since it is larger than the sum of its proper divisors (23183044085).

222210111211 is a wasteful number, since it uses less digits than its factorization.

222210111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475614.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 222210111211 its reverse (112111012222), we get a palindrome (334321123433).

It can be divided in two parts, 22221011 and 1211, that added together give a palindrome (22222222).

The spelling of 222210111211 in words is "two hundred twenty-two billion, two hundred ten million, one hundred eleven thousand, two hundred eleven".