11022120220 has 12 divisors (see below), whose sum is σ = 23146452504. Its totient is φ = 4408848080.

The previous prime is 11022120181. The next prime is 11022120227. The reversal of 11022120220 is 2202122011.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11022120220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022120227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275552986 + ... + 275553025.

It is an arithmetic number, because the mean of its divisors is an integer number (1928871042).

Almost surely, 2^11022120220 is an apocalyptic number.

11022120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11022120220 is an abundant number, since it is smaller than the sum of its proper divisors (12124332284).

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

11022120220 is a wasteful number, since it uses less digits than its factorization.

11022120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551106020 (or 551106018 counting only the distinct ones).

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

Adding to 11022120220 its reverse (2202122011), we get a palindrome (13224242231).

The spelling of 11022120220 in words is "eleven billion, twenty-two million, one hundred twenty thousand, two hundred twenty".