11310113100 has 288 divisors, whose sum is σ = 39774954240. Its totient is φ = 2443392000.

The previous prime is 11310113099. The next prime is 11310113119. The reversal of 11310113100 is 131101311.

It is a super-2 number, since 2×11310113100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1239555 + ... + 1248645.

It is an arithmetic number, because the mean of its divisors is an integer number (138107480).

Almost surely, 2^11310113100 is an apocalyptic number.

11310113100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11310113100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19887477120).

11310113100 is an abundant number, since it is smaller than the sum of its proper divisors (28464841140).

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

11310113100 is a wasteful number, since it uses less digits than its factorization.

11310113100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9161 (or 9154 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 11310113100 its reverse (131101311), we get a palindrome (11441214411).

The spelling of 11310113100 in words is "eleven billion, three hundred ten million, one hundred thirteen thousand, one hundred".