11000220018 has 8 divisors (see below), whose sum is σ = 22000440048. Its totient is φ = 3666740004.

The previous prime is 11000219981. The next prime is 11000220019. The reversal of 11000220018 is 81002200011.

It is a sphenic number, since it is the product of 3 distinct primes.

11000220018 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11000219979 and 11000220006.

It is not an unprimeable number, because it can be changed into a prime (11000220019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 916684996 + ... + 916685007.

It is an arithmetic number, because the mean of its divisors is an integer number (2750055006).

Almost surely, 2^11000220018 is an apocalyptic number.

11000220018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11000220018 is a wasteful number, since it uses less digits than its factorization.

11000220018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833370008.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11000220018 its reverse (81002200011), we get a palindrome (92002420029).

The spelling of 11000220018 in words is "eleven billion, two hundred twenty thousand, eighteen".