11001122320 has 40 divisors (see below), whose sum is σ = 25619860224. Its totient is φ = 4393180032.

The previous prime is 11001122299. The next prime is 11001122333. The reversal of 11001122320 is 2322110011.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11001122320.

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, 64714 + ... + 161833.

Almost surely, 2^11001122320 is an apocalyptic number.

11001122320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001122320 is an abundant number, since it is smaller than the sum of its proper divisors (14618737904).

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

11001122320 is a wasteful number, since it uses less digits than its factorization.

11001122320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227167 (or 227161 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11001122320 its reverse (2322110011), we get a palindrome (13323232331).

The spelling of 11001122320 in words is "eleven billion, one million, one hundred twenty-two thousand, three hundred twenty".