11103202220 has 24 divisors (see below), whose sum is σ = 25436427408. Its totient is φ = 4037528000.

The previous prime is 11103202213. The next prime is 11103202223. The reversal of 11103202220 is 2220230111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11103202195 and 11103202204.

It is not an unprimeable number, because it can be changed into a prime (11103202223) 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 7 ways as a sum of consecutive naturals, for example, 25234331 + ... + 25234770.

It is an arithmetic number, because the mean of its divisors is an integer number (1059851142).

Almost surely, 2^11103202220 is an apocalyptic number.

11103202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11103202220 is an abundant number, since it is smaller than the sum of its proper divisors (14333225188).

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

11103202220 is a wasteful number, since it uses less digits than its factorization.

11103202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50469121 (or 50469119 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 11103202220 its reverse (2220230111), we get a palindrome (13323432331).

The spelling of 11103202220 in words is "eleven billion, one hundred three million, two hundred two thousand, two hundred twenty".