111130342020124 has 72 divisors (see below), whose sum is σ = 228801714120000. Its totient is φ = 47085938178048.

The previous prime is 111130342020119. The next prime is 111130342020143. The reversal of 111130342020124 is 421020243031111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133012717 + ... + 133845595.

It is an arithmetic number, because the mean of its divisors is an integer number (3177801585000).

Almost surely, 2^{111130342020124} is an apocalyptic number.

111130342020124 is a gapful number since it is divisible by the number (14) 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 111130342020124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114400857060000).

111130342020124 is an abundant number, since it is smaller than the sum of its proper divisors (117671372099876).

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

111130342020124 is a wasteful number, since it uses less digits than its factorization.

111130342020124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840635 (or 840626 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 111130342020124 its reverse (421020243031111), we get a palindrome (532150585051235).

The spelling of 111130342020124 in words is "one hundred eleven trillion, one hundred thirty billion, three hundred forty-two million, twenty thousand, one hundred twenty-four".