11123012112 has 40 divisors (see below), whose sum is σ = 28927315200. Its totient is φ = 3682784640.

The previous prime is 11123012063. The next prime is 11123012119. The reversal of 11123012112 is 21121032111.

11123012112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11123012091 and 11123012100.

It is not an unprimeable number, because it can be changed into a prime (11123012119) by changing a digit.

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, 770464 + ... + 784767.

It is an arithmetic number, because the mean of its divisors is an integer number (723182880).

Almost surely, 2^11123012112 is an apocalyptic number.

11123012112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11123012112 is an abundant number, since it is smaller than the sum of its proper divisors (17804303088).

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

11123012112 is a wasteful number, since it uses less digits than its factorization.

11123012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555391 (or 1555385 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11123012112 its reverse (21121032111), we get a palindrome (32244044223).

The spelling of 11123012112 in words is "eleven billion, one hundred twenty-three million, twelve thousand, one hundred twelve".