11001712220 has 96 divisors (see below), whose sum is σ = 23999539200. Its totient is φ = 4234374144.

The previous prime is 11001712207. The next prime is 11001712229. The reversal of 11001712220 is 2221710011.

11001712220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001712229) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 10903076 + ... + 10904084.

It is an arithmetic number, because the mean of its divisors is an integer number (249995200).

Almost surely, 2^11001712220 is an apocalyptic number.

11001712220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001712220 is an abundant number, since it is smaller than the sum of its proper divisors (12997826980).

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

11001712220 is a wasteful number, since it uses less digits than its factorization.

11001712220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267 (or 1265 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 17.

The spelling of 11001712220 in words is "eleven billion, one million, seven hundred twelve thousand, two hundred twenty".