11121020112 has 40 divisors (see below), whose sum is σ = 30241372960. Its totient is φ = 3511900800.

The previous prime is 11121020089. The next prime is 11121020143. The reversal of 11121020112 is 21102012111.

11121020112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6096139 + ... + 6097962.

It is an arithmetic number, because the mean of its divisors is an integer number (756034324).

Almost surely, 2^11121020112 is an apocalyptic number.

11121020112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11121020112 is an abundant number, since it is smaller than the sum of its proper divisors (19120352848).

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

11121020112 is a wasteful number, since it uses less digits than its factorization.

11121020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12194131 (or 12194125 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11121020112 its reverse (21102012111), we get a palindrome (32223032223).

The spelling of 11121020112 in words is "eleven billion, one hundred twenty-one million, twenty thousand, one hundred twelve".