22211311112 has 8 divisors (see below), whose sum is σ = 41646208350. Its totient is φ = 11105655552.

The previous prime is 22211311103. The next prime is 22211311141. The reversal of 22211311112 is 21111311222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22056408196 + 154902916 = 148514^2 + 12446^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1388206937 + ... + 1388206952.

Almost surely, 2^22211311112 is an apocalyptic number.

It is an amenable number.

22211311112 is a deficient number, since it is larger than the sum of its proper divisors (19434897238).

22211311112 is a wasteful number, since it uses less digits than its factorization.

22211311112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776413895 (or 2776413891 counting only the distinct ones).

The product of its digits is 48, while the sum is 17.

Adding to 22211311112 its reverse (21111311222), we get a palindrome (43322622334).

The spelling of 22211311112 in words is "twenty-two billion, two hundred eleven million, three hundred eleven thousand, one hundred twelve".