22211112211 has 8 divisors (see below), whose sum is σ = 22599705600. Its totient is φ = 21822923400.

The previous prime is 22211112197. The next prime is 22211112227. The reversal of 22211112211 is 11221111222.

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-22211112211 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22211112241) 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, 10686 + ... + 211036.

It is an arithmetic number, because the mean of its divisors is an integer number (2824963200).

Almost surely, 2^22211112211 is an apocalyptic number.

22211112211 is a deficient number, since it is larger than the sum of its proper divisors (388593389).

22211112211 is a wasteful number, since it uses less digits than its factorization.

22211112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202289.

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

Adding to 22211112211 its reverse (11221111222), we get a palindrome (33432223433).

It can be divided in two parts, 2221111221 and 1, that added together give a palindrome (2221111222).

The spelling of 22211112211 in words is "twenty-two billion, two hundred eleven million, one hundred twelve thousand, two hundred eleven".