11123021300 has 36 divisors (see below), whose sum is σ = 24142853196. Its totient is φ = 4448121600.

The previous prime is 11123021297. The next prime is 11123021359. The reversal of 11123021300 is 312032111.

It can be written as a sum of positive squares in 6 ways, for example, as 351487504 + 10771533796 = 18748^2 + 103786^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 491024 + ... + 513176.

It is an arithmetic number, because the mean of its divisors is an integer number (670634811).

Almost surely, 2^11123021300 is an apocalyptic number.

11123021300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11123021300 is an abundant number, since it is smaller than the sum of its proper divisors (13019831896).

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

11123021300 is a wasteful number, since it uses less digits than its factorization.

11123021300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27188 (or 27181 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11123021300 its reverse (312032111), we get a palindrome (11435053411).

The spelling of 11123021300 in words is "eleven billion, one hundred twenty-three million, twenty-one thousand, three hundred".