11001121130220 has 96 divisors (see below), whose sum is σ = 33198591400128. Its totient is φ = 2705847462912.

The previous prime is 11001121130141. The next prime is 11001121130261. The reversal of 11001121130220 is 2203112110011.

It is a super-2 number, since 2×11001121130220² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11001121130220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4526259 + ... + 6518378.

It is an arithmetic number, because the mean of its divisors is an integer number (345818660418).

Almost surely, 2^{11001121130220} is an apocalyptic number.

11001121130220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001121130220 is an abundant number, since it is smaller than the sum of its proper divisors (22197470269908).

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

11001121130220 is a wasteful number, since it uses less digits than its factorization.

11001121130220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11045939 (or 11045937 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11001121130220 its reverse (2203112110011), we get a palindrome (13204233240231).

The spelling of 11001121130220 in words is "eleven trillion, one billion, one hundred twenty-one million, one hundred thirty thousand, two hundred twenty".