111100331103132 has 192 divisors, whose sum is σ = 314973001405440. Its totient is φ = 29800518451200.

The previous prime is 111100331103061. The next prime is 111100331103143. The reversal of 111100331103132 is 231301133001111.

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

It is a junction number, because it is equal to n+sod(n) for n = 111100331103099 and 111100331103108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 137589532 + ... + 138394652.

It is an arithmetic number, because the mean of its divisors is an integer number (1640484382320).

Almost surely, 2^{111100331103132} is an apocalyptic number.

111100331103132 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 111100331103132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157486500702720).

111100331103132 is an abundant number, since it is smaller than the sum of its proper divisors (203872670302308).

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

111100331103132 is a wasteful number, since it uses less digits than its factorization.

111100331103132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806732 (or 806730 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 111100331103132 its reverse (231301133001111), we get a palindrome (342401464104243).

The spelling of 111100331103132 in words is "one hundred eleven trillion, one hundred billion, three hundred thirty-one million, one hundred three thousand, one hundred thirty-two".