11021122020 has 48 divisors (see below), whose sum is σ = 31164694848. Its totient is φ = 2909865600.

The previous prime is 11021122003. The next prime is 11021122051. The reversal of 11021122020 is 2022112011.

11021122020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11021121987 and 11021122005.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 903274 + ... + 915393.

It is an arithmetic number, because the mean of its divisors is an integer number (649264476).

Almost surely, 2^11021122020 is an apocalyptic number.

11021122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021122020 is an abundant number, since it is smaller than the sum of its proper divisors (20143572828).

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

11021122020 is a wasteful number, since it uses less digits than its factorization.

11021122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818780 (or 1818778 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11021122020 its reverse (2022112011), we get a palindrome (13043234031).

It can be divided in two parts, 110211 and 22020, that added together give a palindrome (132231).

The spelling of 11021122020 in words is "eleven billion, twenty-one million, one hundred twenty-two thousand, twenty".