11223110020 has 12 divisors (see below), whose sum is σ = 23568531084. Its totient is φ = 4489244000.

The previous prime is 11223110011. The next prime is 11223110021. The reversal of 11223110020 is 2001132211.

It can be written as a sum of positive squares in 2 ways, for example, as 8653836676 + 2569273344 = 93026^2 + 50688^2 .

It is not an unprimeable number, because it can be changed into a prime (11223110021) 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, 280577731 + ... + 280577770.

It is an arithmetic number, because the mean of its divisors is an integer number (1964044257).

Almost surely, 2^11223110020 is an apocalyptic number.

11223110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11223110020 is an abundant number, since it is smaller than the sum of its proper divisors (12345421064).

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

11223110020 is a wasteful number, since it uses less digits than its factorization.

11223110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561155510 (or 561155508 counting only the distinct ones).

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

Adding to 11223110020 its reverse (2001132211), we get a palindrome (13224242231).

The spelling of 11223110020 in words is "eleven billion, two hundred twenty-three million, one hundred ten thousand, twenty".