11103222005 has 16 divisors (see below), whose sum is σ = 13457404800. Its totient is φ = 8793912000.

The previous prime is 11103221993. The next prime is 11103222007. The reversal of 11103222005 is 50022230111.

It is a happy number.

It is not a de Polignac number, because 11103222005 - 2⁴ = 11103221989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103222007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227255 + ... + 271755.

It is an arithmetic number, because the mean of its divisors is an integer number (841087800).

Almost surely, 2^11103222005 is an apocalyptic number.

It is an amenable number.

11103222005 is a deficient number, since it is larger than the sum of its proper divisors (2354182795).

11103222005 is a wasteful number, since it uses less digits than its factorization.

11103222005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45004.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 11103222005 its reverse (50022230111), we get a palindrome (61125452116).

The spelling of 11103222005 in words is "eleven billion, one hundred three million, two hundred twenty-two thousand, five".