11104203011220 has 108 divisors (see below), whose sum is σ = 37023187137300. Its totient is φ = 2691927997440.

The previous prime is 11104203011207. The next prime is 11104203011243. The reversal of 11104203011220 is 2211030240111.

11104203011220 is a `hidden beast` number, since 1 + 1 + 10 + 420 + 3 + 0 + 11 + 220 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7048578967056 + 4055624044164 = 2654916^2 + 2013858^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11104203011193 and 11104203011202.

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 35 ways as a sum of consecutive naturals, for example, 254895645 + ... + 254939204.

Almost surely, 2^{11104203011220} is an apocalyptic number.

11104203011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11104203011220 is an abundant number, since it is smaller than the sum of its proper divisors (25918984126080).

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

11104203011220 is a wasteful number, since it uses less digits than its factorization.

11104203011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509834886 (or 509834870 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11104203011220 its reverse (2211030240111), we get a palindrome (13315233251331).

The spelling of 11104203011220 in words is "eleven trillion, one hundred four billion, two hundred three million, eleven thousand, two hundred twenty".