11220012006 has 64 divisors (see below), whose sum is σ = 25876800000. Its totient is φ = 3176937216.

The previous prime is 11220011981. The next prime is 11220012047. The reversal of 11220012006 is 60021002211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3120946 + ... + 3124538.

It is an arithmetic number, because the mean of its divisors is an integer number (404325000).

Almost surely, 2^11220012006 is an apocalyptic number.

11220012006 is an abundant number, since it is smaller than the sum of its proper divisors (14656787994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11220012006 is a wasteful number, since it uses less digits than its factorization.

11220012006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4253.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11220012006 its reverse (60021002211), we get a palindrome (71241014217).

The spelling of 11220012006 in words is "eleven billion, two hundred twenty million, twelve thousand, six".