11113122113220 has 24 divisors (see below), whose sum is σ = 31116741917184. Its totient is φ = 2963499230176.

The previous prime is 11113122113189. The next prime is 11113122113239. The reversal of 11113122113220 is 2231122131111.

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, 92609350884 + ... + 92609351003.

It is an arithmetic number, because the mean of its divisors is an integer number (1296530913216).

Almost surely, 2^{11113122113220} is an apocalyptic number.

11113122113220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11113122113220 is an abundant number, since it is smaller than the sum of its proper divisors (20003619803964).

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

11113122113220 is a wasteful number, since it uses less digits than its factorization.

11113122113220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185218701899 (or 185218701897 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 11113122113220 its reverse (2231122131111), we get a palindrome (13344244244331).

The spelling of 11113122113220 in words is "eleven trillion, one hundred thirteen billion, one hundred twenty-two million, one hundred thirteen thousand, two hundred twenty".