22211022211 has 32 divisors (see below), whose sum is σ = 27148907520. Its totient is φ = 17748720000.

The previous prime is 22211022181. The next prime is 22211022221. The reversal of 22211022211 is 11222011222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22211022211 - 2⁷ = 22211022083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22211022221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2238361 + ... + 2248261.

It is an arithmetic number, because the mean of its divisors is an integer number (848403360).

Almost surely, 2^22211022211 is an apocalyptic number.

22211022211 is a deficient number, since it is larger than the sum of its proper divisors (4937885309).

22211022211 is a wasteful number, since it uses less digits than its factorization.

22211022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10195.

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

Adding to 22211022211 its reverse (11222011222), we get a palindrome (33433033433).

The spelling of 22211022211 in words is "twenty-two billion, two hundred eleven million, twenty-two thousand, two hundred eleven".