11020011020 has 96 divisors (see below), whose sum is σ = 25452100800. Its totient is φ = 3991680000.

The previous prime is 11020011019. The next prime is 11020011053. The reversal of 11020011020 is 2011002011.

It is a junction number, because it is equal to n+sod(n) for n = 11020010989 and 11020011007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1108070 + ... + 1117970.

It is an arithmetic number, because the mean of its divisors is an integer number (265126050).

Almost surely, 2^11020011020 is an apocalyptic number.

11020011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11020011020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12726050400).

11020011020 is an abundant number, since it is smaller than the sum of its proper divisors (14432089780).

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

11020011020 is a wasteful number, since it uses less digits than its factorization.

11020011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10059 (or 10057 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 11020011020 its reverse (2011002011), we get a palindrome (13031013031).

Subtracting from 11020011020 its reverse (2011002011), we obtain a palindrome (9009009009).

The spelling of 11020011020 in words is "eleven billion, twenty million, eleven thousand, twenty".