11020222120 has 64 divisors (see below), whose sum is σ = 26276659200. Its totient is φ = 4145218560.

The previous prime is 11020222061. The next prime is 11020222127. The reversal of 11020222120 is 2122202011.

It is a happy number.

11020222120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11020222120.

It is not an unprimeable number, because it can be changed into a prime (11020222127) 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 15 ways as a sum of consecutive naturals, for example, 863385 + ... + 876055.

It is an arithmetic number, because the mean of its divisors is an integer number (410572800).

Almost surely, 2^11020222120 is an apocalyptic number.

11020222120 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 11020222120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13138329600).

11020222120 is an abundant number, since it is smaller than the sum of its proper divisors (15256437080).

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

11020222120 is a wasteful number, since it uses less digits than its factorization.

11020222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13978 (or 13974 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11020222120 its reverse (2122202011), we get a palindrome (13142424131).

The spelling of 11020222120 in words is "eleven billion, twenty million, two hundred twenty-two thousand, one hundred twenty".