11103132112220 has 24 divisors (see below), whose sum is σ = 23336835153408. Its totient is φ = 4437394232000.

The previous prime is 11103132112183. The next prime is 11103132112277. The reversal of 11103132112220 is 2221123130111.

11103132112220 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 (20).

It is a junction number, because it is equal to n+sod(n) for n = 11103132112192 and 11103132112201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241139711 + ... + 241185750.

It is an arithmetic number, because the mean of its divisors is an integer number (972368131392).

Almost surely, 2^{11103132112220} is an apocalyptic number.

11103132112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11103132112220 is an abundant number, since it is smaller than the sum of its proper divisors (12233703041188).

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

11103132112220 is a wasteful number, since it uses less digits than its factorization.

11103132112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482326621 (or 482326619 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11103132112220 its reverse (2221123130111), we get a palindrome (13324255242331).

The spelling of 11103132112220 in words is "eleven trillion, one hundred three billion, one hundred thirty-two million, one hundred twelve thousand, two hundred twenty".