11112421112 has 64 divisors (see below), whose sum is σ = 23447854080. Its totient is φ = 4898754432.

The previous prime is 11112421091. The next prime is 11112421123. The reversal of 11112421112 is 21112421111.

11112421112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

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 15 ways as a sum of consecutive naturals, for example, 1879553 + ... + 1885455.

It is an arithmetic number, because the mean of its divisors is an integer number (366372720).

Almost surely, 2^11112421112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11112421112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11723927040).

11112421112 is an abundant number, since it is smaller than the sum of its proper divisors (12335432968).

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

11112421112 is a wasteful number, since it uses less digits than its factorization.

11112421112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6732 (or 6728 counting only the distinct ones).

The product of its digits is 32, while the sum is 17.

Adding to 11112421112 its reverse (21112421111), we get a palindrome (32224842223).

Subtracting 11112421112 from its reverse (21112421111), we obtain a palindrome (9999999999).

The spelling of 11112421112 in words is "eleven billion, one hundred twelve million, four hundred twenty-one thousand, one hundred twelve".