111124420033231 has 16 divisors (see below), whose sum is σ = 121344802992000. Its totient is φ = 100923770740320.

The previous prime is 111124420033189. The next prime is 111124420033271. The reversal of 111124420033231 is 132330024421111.

It is not a de Polignac number, because 111124420033231 - 2²⁹ = 111123883162319 is a prime.

It is a super-2 number, since 2×111124420033231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111124420033231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111124420033271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54930996 + ... + 56918038.

It is an arithmetic number, because the mean of its divisors is an integer number (7584050187000).

Almost surely, 2^{111124420033231} is an apocalyptic number.

111124420033231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111124420033231 is a deficient number, since it is larger than the sum of its proper divisors (10220382958769).

111124420033231 is a wasteful number, since it uses less digits than its factorization.

111124420033231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992006.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 111124420033231 its reverse (132330024421111), we get a palindrome (243454444454342).

The spelling of 111124420033231 in words is "one hundred eleven trillion, one hundred twenty-four billion, four hundred twenty million, thirty-three thousand, two hundred thirty-one".