11201112020 has 48 divisors (see below), whose sum is σ = 26892165888. Its totient is φ = 3839024640.

The previous prime is 11201112019. The next prime is 11201112023. The reversal of 11201112020 is 2021110211.

It is a junction number, because it is equal to n+sod(n) for n = 11201111992 and 11201112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201112023) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 434204 + ... + 459276.

It is an arithmetic number, because the mean of its divisors is an integer number (560253456).

Almost surely, 2^11201112020 is an apocalyptic number.

11201112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11201112020 is an abundant number, since it is smaller than the sum of its proper divisors (15691053868).

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

11201112020 is a wasteful number, since it uses less digits than its factorization.

11201112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28280 (or 28278 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11201112020 its reverse (2021110211), we get a palindrome (13222222231).

The spelling of 11201112020 in words is "eleven billion, two hundred one million, one hundred twelve thousand, twenty".