11321113031130 has 384 divisors, whose sum is σ = 34081212672000. Its totient is φ = 2350965593088.

The previous prime is 11321113031087. The next prime is 11321113031251. The reversal of 11321113031130 is 3113031112311.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 11321113031097 and 11321113031106.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 499971589 + ... + 499994231.

It is an arithmetic number, because the mean of its divisors is an integer number (88753158000).

Almost surely, 2^{11321113031130} is an apocalyptic number.

11321113031130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11321113031130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17040606336000).

11321113031130 is an abundant number, since it is smaller than the sum of its proper divisors (22760099640870).

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

11321113031130 is a wasteful number, since it uses less digits than its factorization.

11321113031130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22886 (or 22857 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 11321113031130 its reverse (3113031112311), we get a palindrome (14434144143441).

The spelling of 11321113031130 in words is "eleven trillion, three hundred twenty-one billion, one hundred thirteen million, thirty-one thousand, one hundred thirty".