1121121200118 has 16 divisors (see below), whose sum is σ = 2242255170240. Its totient is φ = 373704938376.

The previous prime is 1121121200117. The next prime is 1121121200131. The reversal of 1121121200118 is 8110021211211.

It is a junction number, because it is equal to n+sod(n) for n = 1121121200094 and 1121121200103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121121200117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 909793 + ... + 1752131.

It is an arithmetic number, because the mean of its divisors is an integer number (140140948140).

Almost surely, 2^{1121121200118} is an apocalyptic number.

1121121200118 is an abundant number, since it is smaller than the sum of its proper divisors (1121133970122).

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

1121121200118 is a wasteful number, since it uses less digits than its factorization.

1121121200118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064171.

The product of its (nonzero) digits is 64, while the sum is 21.

Adding to 1121121200118 its reverse (8110021211211), we get a palindrome (9231142411329).

The spelling of 1121121200118 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-one million, two hundred thousand, one hundred eighteen".