111224121303231 has 12 divisors (see below), whose sum is σ = 160659874569480. Its totient is φ = 74148117064560.

The previous prime is 111224121303193. The next prime is 111224121303259. The reversal of 111224121303231 is 132303121422111.

111224121303231 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 2 + 4 + 121 + 303 + 231 = 666.

It is not a de Polignac number, because 111224121303231 - 2⁷ = 111224121303103 is a prime.

It is a super-2 number, since 2×111224121303231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111224121303195 and 111224121303204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111224121353231) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 107551600 + ... + 108580821.

It is an arithmetic number, because the mean of its divisors is an integer number (13388322880790).

Almost surely, 2^{111224121303231} is an apocalyptic number.

111224121303231 is a deficient number, since it is larger than the sum of its proper divisors (49435753266249).

111224121303231 is a wasteful number, since it uses less digits than its factorization.

111224121303231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216189606 (or 216189603 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 111224121303231 its reverse (132303121422111), we get a palindrome (243527242725342).

The spelling of 111224121303231 in words is "one hundred eleven trillion, two hundred twenty-four billion, one hundred twenty-one million, three hundred three thousand, two hundred thirty-one".