11321123130 has 48 divisors (see below), whose sum is σ = 29444730120. Its totient is φ = 3017960064.

The previous prime is 11321123111. The next prime is 11321123179. The reversal of 11321123130 is 3132112311.

It can be written as a sum of positive squares in 4 ways, for example, as 10287436329 + 1033686801 = 101427^2 + 32151^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 273436 + ... + 312104.

Almost surely, 2^11321123130 is an apocalyptic number.

11321123130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11321123130 is an abundant number, since it is smaller than the sum of its proper divisors (18123606990).

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

11321123130 is a wasteful number, since it uses less digits than its factorization.

11321123130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41935 (or 41932 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11321123130 its reverse (3132112311), we get a palindrome (14453235441).

The spelling of 11321123130 in words is "eleven billion, three hundred twenty-one million, one hundred twenty-three thousand, one hundred thirty".