11011000220020 has 12 divisors (see below), whose sum is σ = 23123100462084. Its totient is φ = 4404400088000.

The previous prime is 11011000219969. The next prime is 11011000220063. The reversal of 11011000220020 is 2002200011011.

It can be written as a sum of positive squares in 2 ways, for example, as 3193361852004 + 7817638368016 = 1786998^2 + 2796004^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 11011000219979 and 11011000220006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275275005481 + ... + 275275005520.

It is an arithmetic number, because the mean of its divisors is an integer number (1926925038507).

Almost surely, 2^{11011000220020} is an apocalyptic number.

11011000220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011000220020 is an abundant number, since it is smaller than the sum of its proper divisors (12112100242064).

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

11011000220020 is a wasteful number, since it uses less digits than its factorization.

11011000220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550550011010 (or 550550011008 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11011000220020 its reverse (2002200011011), we get a palindrome (13013200231031).

The spelling of 11011000220020 in words is "eleven trillion, eleven billion, two hundred twenty thousand, twenty".