222211210100209 has 8 divisors (see below), whose sum is σ = 242412465400128. Its totient is φ = 202009994166960.

The previous prime is 222211210100203. The next prime is 222211210100227. The reversal of 222211210100209 is 902001012112222.

It is a happy number.

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 222211210100209 - 2¹³ = 222211210092017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222211210100203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2650179 + ... + 21247255.

It is an arithmetic number, because the mean of its divisors is an integer number (30301558175016).

Almost surely, 2^{222211210100209} is an apocalyptic number.

It is an amenable number.

222211210100209 is a deficient number, since it is larger than the sum of its proper divisors (20201255299919).

222211210100209 is a wasteful number, since it uses less digits than its factorization.

222211210100209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19683335.

The product of its (nonzero) digits is 576, while the sum is 25.

It can be divided in two parts, 2222112 and 10100209, that added together give a palindrome (12322321).

The spelling of 222211210100209 in words is "two hundred twenty-two trillion, two hundred eleven billion, two hundred ten million, one hundred thousand, two hundred nine".