111121024231 has 8 divisors (see below), whose sum is σ = 127909093760. Its totient is φ = 94561364088.

The previous prime is 111121024213. The next prime is 111121024283. The reversal of 111121024231 is 132420121111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111121024231 - 2⁵ = 111121024199 is a prime.

It is a super-2 number, since 2×111121024231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111121024199 and 111121024208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111121034231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57101301 + ... + 57103246.

It is an arithmetic number, because the mean of its divisors is an integer number (15988636720).

Almost surely, 2^111121024231 is an apocalyptic number.

111121024231 is a deficient number, since it is larger than the sum of its proper divisors (16788069529).

111121024231 is a wasteful number, since it uses less digits than its factorization.

111121024231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114204693.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 111121024231 its reverse (132420121111), we get a palindrome (243541145342).

The spelling of 111121024231 in words is "one hundred eleven billion, one hundred twenty-one million, twenty-four thousand, two hundred thirty-one".