11112142134 has 32 divisors (see below), whose sum is σ = 23398750080. Its totient is φ = 3508382592.

The previous prime is 11112142121. The next prime is 11112142147. The reversal of 11112142134 is 43124121111.

It is an interprime number because it is at equal distance from previous prime (11112142121) and next prime (11112142147).

It is a self number, because there is not a number n which added to its sum of digits gives 11112142134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1005342 + ... + 1016334.

It is an arithmetic number, because the mean of its divisors is an integer number (731210940).

Almost surely, 2^11112142134 is an apocalyptic number.

11112142134 is an abundant number, since it is smaller than the sum of its proper divisors (12286607946).

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

11112142134 is a wasteful number, since it uses less digits than its factorization.

11112142134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19884.

The product of its digits is 192, while the sum is 21.

Adding to 11112142134 its reverse (43124121111), we get a palindrome (54236263245).

The spelling of 11112142134 in words is "eleven billion, one hundred twelve million, one hundred forty-two thousand, one hundred thirty-four".