222201102211 has 4 divisors (see below), whose sum is σ = 242401202424. Its totient is φ = 202001002000.

The previous prime is 222201102209. The next prime is 222201102229. The reversal of 222201102211 is 112201102222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222201102211 - 2¹ = 222201102209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222201102271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10100050090 + ... + 10100050111.

It is an arithmetic number, because the mean of its divisors is an integer number (60600300606).

Almost surely, 2^222201102211 is an apocalyptic number.

222201102211 is a deficient number, since it is larger than the sum of its proper divisors (20200100213).

222201102211 is a wasteful number, since it uses less digits than its factorization.

222201102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20200100212.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222201102211 its reverse (112201102222), we get a palindrome (334402204433).

The spelling of 222201102211 in words is "two hundred twenty-two billion, two hundred one million, one hundred two thousand, two hundred eleven".