11103122320 has 40 divisors (see below), whose sum is σ = 26018049024. Its totient is φ = 4406274432.

The previous prime is 11103122299. The next prime is 11103122333. The reversal of 11103122320 is 2322130111.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 11103122294 and 11103122303.

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, 536254 + ... + 556573.

Almost surely, 2^11103122320 is an apocalyptic number.

11103122320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11103122320 is an abundant number, since it is smaller than the sum of its proper divisors (14914926704).

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

11103122320 is a wasteful number, since it uses less digits than its factorization.

11103122320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092967 (or 1092961 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11103122320 its reverse (2322130111), we get a palindrome (13425252431).

The spelling of 11103122320 in words is "eleven billion, one hundred three million, one hundred twenty-two thousand, three hundred twenty".