11112142112 has 24 divisors (see below), whose sum is σ = 21915513900. Its totient is φ = 5546297344.

The previous prime is 11112142103. The next prime is 11112142117. The reversal of 11112142112 is 21124121111.

It can be written as a sum of positive squares in 2 ways, for example, as 8375178256 + 2736963856 = 91516^2 + 52316^2 .

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is not an unprimeable number, because it can be changed into a prime (11112142117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286937 + ... + 323352.

Almost surely, 2^11112142112 is an apocalyptic number.

It is an amenable number.

11112142112 is a deficient number, since it is larger than the sum of its proper divisors (10803371788).

11112142112 is an equidigital number, since it uses as much as digits as its factorization.

11112142112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610868 (or 610860 counting only the distinct ones).

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

Adding to 11112142112 its reverse (21124121111), we get a palindrome (32236263223).

The spelling of 11112142112 in words is "eleven billion, one hundred twelve million, one hundred forty-two thousand, one hundred twelve".