11000121018 has 16 divisors (see below), whose sum is σ = 22008937440. Its totient is φ = 3665257776.

The previous prime is 11000121007. The next prime is 11000121019. The reversal of 11000121018 is 81012100011.

11000121018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11000120988 and 11000121006.

It is not an unprimeable number, because it can be changed into a prime (11000121019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345805 + ... + 376272.

It is an arithmetic number, because the mean of its divisors is an integer number (1375558590).

Almost surely, 2^11000121018 is an apocalyptic number.

11000121018 is an abundant number, since it is smaller than the sum of its proper divisors (11008816422).

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

11000121018 is a wasteful number, since it uses less digits than its factorization.

11000121018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724621.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11000121018 its reverse (81012100011), we get a palindrome (92012221029).

The spelling of 11000121018 in words is "eleven billion, one hundred twenty-one thousand, eighteen".