11122120220 has 12 divisors (see below), whose sum is σ = 23356452504. Its totient is φ = 4448848080.

The previous prime is 11122120199. The next prime is 11122120363. The reversal of 11122120220 is 2202122111.

11122120220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11122120195 and 11122120204.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 278052986 + ... + 278053025.

It is an arithmetic number, because the mean of its divisors is an integer number (1946371042).

Almost surely, 2^11122120220 is an apocalyptic number.

11122120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122120220 is an abundant number, since it is smaller than the sum of its proper divisors (12234332284).

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

11122120220 is a wasteful number, since it uses less digits than its factorization.

11122120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556106020 (or 556106018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11122120220 its reverse (2202122111), we get a palindrome (13324242331).

The spelling of 11122120220 in words is "eleven billion, one hundred twenty-two million, one hundred twenty thousand, two hundred twenty".