11203030120 has 32 divisors (see below), whose sum is σ = 25252122600. Its totient is φ = 4473157888.

The previous prime is 11203030109. The next prime is 11203030123. The reversal of 11203030120 is 2103030211.

It can be written as a sum of positive squares in 4 ways, for example, as 8717209956 + 2485820164 = 93366^2 + 49858^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11203030120.

It is not an unprimeable number, because it can be changed into a prime (11203030123) 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, 229135 + ... + 273694.

Almost surely, 2^11203030120 is an apocalyptic number.

11203030120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11203030120 is an abundant number, since it is smaller than the sum of its proper divisors (14049092480).

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

11203030120 is a wasteful number, since it uses less digits than its factorization.

11203030120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503397 (or 503393 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 11203030120 its reverse (2103030211), we get a palindrome (13306060331).

Subtracting from 11203030120 its reverse (2103030211), we obtain a palindrome (9099999909).

The spelling of 11203030120 in words is "eleven billion, two hundred three million, thirty thousand, one hundred twenty".