111224234031 has 16 divisors (see below), whose sum is σ = 150838293120. Its totient is φ = 72880261920.

The previous prime is 111224234021. The next prime is 111224234047. The reversal of 111224234031 is 130432422111.

It is not a de Polignac number, because 111224234031 - 2¹⁰ = 111224233007 is a prime.

It is a super-2 number, since 2×111224234031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111224233992 and 111224234010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111224234021) 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, 1048761 + ... + 1149933.

It is an arithmetic number, because the mean of its divisors is an integer number (9427393320).

Almost surely, 2^111224234031 is an apocalyptic number.

111224234031 is a deficient number, since it is larger than the sum of its proper divisors (39614059089).

111224234031 is a wasteful number, since it uses less digits than its factorization.

111224234031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107446.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 111224234031 its reverse (130432422111), we get a palindrome (241656656142).

The spelling of 111224234031 in words is "one hundred eleven billion, two hundred twenty-four million, two hundred thirty-four thousand, thirty-one".