222220012211 has 8 divisors (see below), whose sum is σ = 223389357984. Its totient is φ = 221050851840.

The previous prime is 222220012181. The next prime is 222220012229. The reversal of 222220012211 is 112210022222.

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 a de Polignac number, because none of the positive numbers 2^k-222220012211 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 222220012211.

It is not an unprimeable number, because it can be changed into a prime (222220012291) 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, 2821610 + ... + 2899296.

It is an arithmetic number, because the mean of its divisors is an integer number (27923669748).

Almost surely, 2^222220012211 is an apocalyptic number.

222220012211 is a deficient number, since it is larger than the sum of its proper divisors (1169345773).

222220012211 is a wasteful number, since it uses less digits than its factorization.

222220012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92701.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222220012211 its reverse (112210022222), we get a palindrome (334430034433).

The spelling of 222220012211 in words is "two hundred twenty-two billion, two hundred twenty million, twelve thousand, two hundred eleven".