11121120120112 has 40 divisors (see below), whose sum is σ = 22852593992160. Its totient is φ = 5231603182080.

The previous prime is 11121120120107. The next prime is 11121120120119. The reversal of 11121120120112 is 21102102112111.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (11121120120119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247686037 + ... + 247730932.

It is an arithmetic number, because the mean of its divisors is an integer number (571314849804).

Almost surely, 2^{11121120120112} is an apocalyptic number.

It is an amenable number.

11121120120112 is an abundant number, since it is smaller than the sum of its proper divisors (11731473872048).

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

11121120120112 is a wasteful number, since it uses less digits than its factorization.

11121120120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495417061 (or 495417055 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 11121120120112 its reverse (21102102112111), we get a palindrome (32223222232223).

The spelling of 11121120120112 in words is "eleven trillion, one hundred twenty-one billion, one hundred twenty million, one hundred twenty thousand, one hundred twelve".