11103322020 has 192 divisors, whose sum is σ = 36218757120. Its totient is φ = 2489190912.

The previous prime is 11103322019. The next prime is 11103322033. The reversal of 11103322020 is 2022330111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5407314 + ... + 5409366.

It is an arithmetic number, because the mean of its divisors is an integer number (188639360).

Almost surely, 2^11103322020 is an apocalyptic number.

11103322020 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 11103322020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18109378560).

11103322020 is an abundant number, since it is smaller than the sum of its proper divisors (25115435100).

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

11103322020 is a wasteful number, since it uses less digits than its factorization.

11103322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314 (or 2312 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 11103322020 its reverse (2022330111), we get a palindrome (13125652131).

The spelling of 11103322020 in words is "eleven billion, one hundred three million, three hundred twenty-two thousand, twenty".