22102222211 has 8 divisors (see below), whose sum is σ = 22176611520. Its totient is φ = 22027918248.

The previous prime is 22102222201. The next prime is 22102222213. The reversal of 22102222211 is 11222220122.

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 22102222211 - 2²² = 22098027907 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 22102222211.

It is not an unprimeable number, because it can be changed into a prime (22102222213) 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, 520400 + ... + 561266.

It is an arithmetic number, because the mean of its divisors is an integer number (2772076440).

Almost surely, 2^22102222211 is an apocalyptic number.

22102222211 is a deficient number, since it is larger than the sum of its proper divisors (74389309).

22102222211 is a wasteful number, since it uses less digits than its factorization.

22102222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42673.

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

Adding to 22102222211 its reverse (11222220122), we get a palindrome (33324442333).

The spelling of 22102222211 in words is "twenty-two billion, one hundred two million, two hundred twenty-two thousand, two hundred eleven".