11103220012 has 12 divisors (see below), whose sum is σ = 19453313880. Its totient is φ = 5545130336.

The previous prime is 11103220003. The next prime is 11103220027. The reversal of 11103220012 is 21002230111.

11103220012 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 = 11103219974 and 11103220001.

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 3 ways as a sum of consecutive naturals, for example, 1616062 + ... + 1622917.

It is an arithmetic number, because the mean of its divisors is an integer number (1621109490).

Almost surely, 2^11103220012 is an apocalyptic number.

It is an amenable number.

11103220012 is a deficient number, since it is larger than the sum of its proper divisors (8350093868).

11103220012 is a wasteful number, since it uses less digits than its factorization.

11103220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239840 (or 3239838 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11103220012 its reverse (21002230111), we get a palindrome (32105450123).

It can be divided in two parts, 111032 and 20012, that added together give a square (131044 = 362²).

The spelling of 11103220012 in words is "eleven billion, one hundred three million, two hundred twenty thousand, twelve".