11133120220 has 24 divisors (see below), whose sum is σ = 23383407600. Its totient is φ = 4452513792.

The previous prime is 11133120209. The next prime is 11133120221. The reversal of 11133120220 is 2202133111.

It is a junction number, because it is equal to n+sod(n) for n = 11133120194 and 11133120203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133120221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87951 + ... + 173209.

It is an arithmetic number, because the mean of its divisors is an integer number (974308650).

Almost surely, 2^11133120220 is an apocalyptic number.

11133120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11133120220 is an abundant number, since it is smaller than the sum of its proper divisors (12250287380).

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

11133120220 is a wasteful number, since it uses less digits than its factorization.

11133120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91797 (or 91795 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11133120220 its reverse (2202133111), we get a palindrome (13335253331).

The spelling of 11133120220 in words is "eleven billion, one hundred thirty-three million, one hundred twenty thousand, two hundred twenty".