11220130120 has 64 divisors (see below), whose sum is σ = 26117322480. Its totient is φ = 4334800896.

The previous prime is 11220130091. The next prime is 11220130133. The reversal of 11220130120 is 2103102211.

It can be written as a sum of positive squares in 8 ways, for example, as 7109525124 + 4110604996 = 84318^2 + 64114^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11220130120.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175092 + ... + 230428.

Almost surely, 2^11220130120 is an apocalyptic number.

11220130120 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 11220130120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13058661240).

11220130120 is an abundant number, since it is smaller than the sum of its proper divisors (14897192360).

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

11220130120 is a wasteful number, since it uses less digits than its factorization.

11220130120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55522 (or 55518 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11220130120 its reverse (2103102211), we get a palindrome (13323232331).

The spelling of 11220130120 in words is "eleven billion, two hundred twenty million, one hundred thirty thousand, one hundred twenty".