11321130228 has 24 divisors (see below), whose sum is σ = 26500918080. Its totient is φ = 3761574720.

The previous prime is 11321130211. The next prime is 11321130277. The reversal of 11321130228 is 82203112311.

It is a junction number, because it is equal to n+sod(n) for n = 11321130198 and 11321130207.

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, 1513033 + ... + 1520496.

It is an arithmetic number, because the mean of its divisors is an integer number (1104204920).

Almost surely, 2^11321130228 is an apocalyptic number.

It is an amenable number.

11321130228 is an abundant number, since it is smaller than the sum of its proper divisors (15179787852).

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

11321130228 is a wasteful number, since it uses less digits than its factorization.

11321130228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033847 (or 3033845 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 11321130228 its reverse (82203112311), we get a palindrome (93524242539).

The spelling of 11321130228 in words is "eleven billion, three hundred twenty-one million, one hundred thirty thousand, two hundred twenty-eight".