11121103120 has 40 divisors (see below), whose sum is σ = 25924858560. Its totient is φ = 4436691840.

The previous prime is 11121103099. The next prime is 11121103157. The reversal of 11121103120 is 2130112111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 11121103120.

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, 153076 + ... + 213715.

It is an arithmetic number, because the mean of its divisors is an integer number (648121464).

Almost surely, 2^11121103120 is an apocalyptic number.

11121103120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121103120 is an abundant number, since it is smaller than the sum of its proper divisors (14803755440).

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

11121103120 is a wasteful number, since it uses less digits than its factorization.

11121103120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367183 (or 367177 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11121103120 its reverse (2130112111), we get a palindrome (13251215231).

The spelling of 11121103120 in words is "eleven billion, one hundred twenty-one million, one hundred three thousand, one hundred twenty".