11103323120220 has 192 divisors, whose sum is σ = 35071369159680. Its totient is φ = 2610575142912.

The previous prime is 11103323120191. The next prime is 11103323120221. The reversal of 11103323120220 is 2202132330111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103323120221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4752397 + ... + 6692676.

It is an arithmetic number, because the mean of its divisors is an integer number (182663381040).

Almost surely, 2^{11103323120220} is an apocalyptic number.

11103323120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11103323120220 is an abundant number, since it is smaller than the sum of its proper divisors (23968046039460).

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

11103323120220 is a wasteful number, since it uses less digits than its factorization.

11103323120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11445164 (or 11445162 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11103323120220 its reverse (2202132330111), we get a palindrome (13305455450331).

It can be divided in two parts, 11103 and 323120220, that added together give a palindrome (323131323).

The spelling of 11103323120220 in words is "eleven trillion, one hundred three billion, three hundred twenty-three million, one hundred twenty thousand, two hundred twenty".