1121340443118 has 32 divisors (see below), whose sum is σ = 2564683140096. Its totient is φ = 320180575008.

The previous prime is 1121340443117. The next prime is 1121340443173. The reversal of 1121340443118 is 8113440431211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121340443117) 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, 8366421 + ... + 8499392.

It is an arithmetic number, because the mean of its divisors is an integer number (80146348128).

Almost surely, 2^{1121340443118} is an apocalyptic number.

1121340443118 is an abundant number, since it is smaller than the sum of its proper divisors (1443342696978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121340443118 is a wasteful number, since it uses less digits than its factorization.

1121340443118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16867408.

The product of its (nonzero) digits is 9216, while the sum is 33.

Adding to 1121340443118 its reverse (8113440431211), we get a palindrome (9234780874329).

The spelling of 1121340443118 in words is "one trillion, one hundred twenty-one billion, three hundred forty million, four hundred forty-three thousand, one hundred eighteen".