111330243231121 has 4 divisors (see below), whose sum is σ = 114339168723892. Its totient is φ = 108321317738352.

The previous prime is 111330243231101. The next prime is 111330243231127. The reversal of 111330243231121 is 121132342033111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45983859699600 + 65346383531521 = 6781140^2 + 8083711^2 .

It is a cyclic number.

It is not a de Polignac number, because 111330243231121 - 2¹³ = 111330243222929 is a prime.

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 111330243231121.

It is not an unprimeable number, because it can be changed into a prime (111330243231127) 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 3 ways as a sum of consecutive naturals, for example, 1504462746330 + ... + 1504462746403.

It is an arithmetic number, because the mean of its divisors is an integer number (28584792180973).

Almost surely, 2^{111330243231121} is an apocalyptic number.

It is an amenable number.

111330243231121 is a deficient number, since it is larger than the sum of its proper divisors (3008925492771).

111330243231121 is an equidigital number, since it uses as much as digits as its factorization.

111330243231121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3008925492770.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 111330243231121 its reverse (121132342033111), we get a palindrome (232462585264232).

The spelling of 111330243231121 in words is "one hundred eleven trillion, three hundred thirty billion, two hundred forty-three million, two hundred thirty-one thousand, one hundred twenty-one".