22211321211 has 12 divisors (see below), whose sum is σ = 32335643392. Its totient is φ = 14690951856.

The previous prime is 22211321207. The next prime is 22211321213. The reversal of 22211321211 is 11212311222.

It is not a de Polignac number, because 22211321211 - 2² = 22211321207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22211321213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9715096 + ... + 9717381.

Almost surely, 2^22211321211 is an apocalyptic number.

22211321211 is a deficient number, since it is larger than the sum of its proper divisors (10124322181).

22211321211 is a wasteful number, since it uses less digits than its factorization.

22211321211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19432610 (or 19432607 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

Adding to 22211321211 its reverse (11212311222), we get a palindrome (33423632433).

The spelling of 22211321211 in words is "twenty-two billion, two hundred eleven million, three hundred twenty-one thousand, two hundred eleven".