111341121 has 32 divisors (see below), whose sum is σ = 162960000. Its totient is φ = 67350528.

The previous prime is 111341101. The next prime is 111341123. The reversal of 111341121 is 121143111.

It is not a de Polignac number, because 111341121 - 2⁵ = 111341089 is a prime.

It is a super-5 number, since 5×111341121⁵ (a number of 41 digits) contains 55555 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111341121.

It is not an unprimeable number, because it can be changed into a prime (111341123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 318855 + ... + 319203.

It is an arithmetic number, because the mean of its divisors is an integer number (5092500).

Almost surely, 2^111341121 is an apocalyptic number.

It is an amenable number.

111341121 is a deficient number, since it is larger than the sum of its proper divisors (51618879).

111341121 is a wasteful number, since it uses less digits than its factorization.

111341121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593.

The product of its digits is 24, while the sum is 15.

The square root of 111341121 is about 10551.8302203930. The cubic root of 111341121 is about 481.0813597908.

Adding to 111341121 its reverse (121143111), we get a palindrome (232484232).

The spelling of 111341121 in words is "one hundred eleven million, three hundred forty-one thousand, one hundred twenty-one".