11142300113112 has 128 divisors (see below), whose sum is σ = 32361343741440. Its totient is φ = 3130908180480.

The previous prime is 11142300113101. The next prime is 11142300113177. The reversal of 11142300113112 is 21131100324111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81269883 + ... + 81406869.

It is an arithmetic number, because the mean of its divisors is an integer number (252822997980).

Almost surely, 2^{11142300113112} is an apocalyptic number.

11142300113112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11142300113112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16180671870720).

11142300113112 is an abundant number, since it is smaller than the sum of its proper divisors (21219043628328).

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

11142300113112 is a wasteful number, since it uses less digits than its factorization.

11142300113112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145001 (or 144997 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 11142300113112 its reverse (21131100324111), we get a palindrome (32273400437223).

The spelling of 11142300113112 in words is "eleven trillion, one hundred forty-two billion, three hundred million, one hundred thirteen thousand, one hundred twelve".