11120203120 has 160 divisors (see below), whose sum is σ = 28921273920. Its totient is φ = 3948134400.

The previous prime is 11120203103. The next prime is 11120203151. The reversal of 11120203120 is 2130202111.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 11120203120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9258520 + ... + 9259720.

It is an arithmetic number, because the mean of its divisors is an integer number (180757962).

Almost surely, 2^11120203120 is an apocalyptic number.

11120203120 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 11120203120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14460636960).

11120203120 is an abundant number, since it is smaller than the sum of its proper divisors (17801070800).

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

11120203120 is a wasteful number, since it uses less digits than its factorization.

11120203120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563 (or 1557 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11120203120 its reverse (2130202111), we get a palindrome (13250405231).

The spelling of 11120203120 in words is "eleven billion, one hundred twenty million, two hundred three thousand, one hundred twenty".