11113213142 has 16 divisors (see below), whose sum is σ = 17031838464. Its totient is φ = 5436888000.

The previous prime is 11113213099. The next prime is 11113213169. The reversal of 11113213142 is 24131231111.

11113213142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 215159 + ... + 261762.

It is an arithmetic number, because the mean of its divisors is an integer number (1064489904).

Almost surely, 2^11113213142 is an apocalyptic number.

11113213142 is a deficient number, since it is larger than the sum of its proper divisors (5918625322).

11113213142 is a wasteful number, since it uses less digits than its factorization.

11113213142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477175.

The product of its digits is 144, while the sum is 20.

Adding to 11113213142 its reverse (24131231111), we get a palindrome (35244444253).

The spelling of 11113213142 in words is "eleven billion, one hundred thirteen million, two hundred thirteen thousand, one hundred forty-two".