11113312133220 has 144 divisors (see below), whose sum is σ = 34206285168384. Its totient is φ = 2693899929600.

The previous prime is 11113312133197. The next prime is 11113312133239. The reversal of 11113312133220 is 2233121331111.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91248165 + ... + 91369875.

Almost surely, 2^{11113312133220} is an apocalyptic number.

11113312133220 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 11113312133220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17103142584192).

11113312133220 is an abundant number, since it is smaller than the sum of its proper divisors (23092973035164).

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

11113312133220 is a wasteful number, since it uses less digits than its factorization.

11113312133220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134322 (or 134309 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 11113312133220 its reverse (2233121331111), we get a palindrome (13346433464331).

The spelling of 11113312133220 in words is "eleven trillion, one hundred thirteen billion, three hundred twelve million, one hundred thirty-three thousand, two hundred twenty".