11222011222 has 32 divisors (see below), whose sum is σ = 17646789888. Its totient is φ = 5346000000.

The previous prime is 11222011201. The next prime is 11222011277. The reversal of 11222011222 is 22211022211.

It is a happy number.

11222011222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11222011196 and 11222011205.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 1128472 + ... + 1138372.

It is an arithmetic number, because the mean of its divisors is an integer number (551462184).

Almost surely, 2^11222011222 is an apocalyptic number.

11222011222 is a deficient number, since it is larger than the sum of its proper divisors (6424778666).

11222011222 is a wasteful number, since it uses less digits than its factorization.

11222011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10216.

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

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

The spelling of 11222011222 in words is "eleven billion, two hundred twenty-two million, eleven thousand, two hundred twenty-two".