11201220200220 has 24 divisors (see below), whose sum is σ = 31363416560784. Its totient is φ = 2986992053376.

The previous prime is 11201220200201. The next prime is 11201220200221. The reversal of 11201220200220 is 2200202210211.

11201220200220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11201220200220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201220200221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93343501609 + ... + 93343501728.

It is an arithmetic number, because the mean of its divisors is an integer number (1306809023366).

Almost surely, 2^{11201220200220} is an apocalyptic number.

11201220200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11201220200220 is an abundant number, since it is smaller than the sum of its proper divisors (20162196360564).

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

11201220200220 is a wasteful number, since it uses less digits than its factorization.

11201220200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186687003349 (or 186687003347 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 11201220200220 its reverse (2200202210211), we get a palindrome (13401422410431).

The spelling of 11201220200220 in words is "eleven trillion, two hundred one billion, two hundred twenty million, two hundred thousand, two hundred twenty".