11003313100 has 72 divisors (see below), whose sum is σ = 25733318240. Its totient is φ = 4059694080.

The previous prime is 11003313089. The next prime is 11003313103. The reversal of 11003313100 is 131330011.

It is a happy number.

It is a super-2 number, since 2×11003313100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (11003313103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2432641 + ... + 2437159.

Almost surely, 2^11003313100 is an apocalyptic number.

11003313100 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 11003313100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12866659120).

11003313100 is an abundant number, since it is smaller than the sum of its proper divisors (14730005140).

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

11003313100 is a wasteful number, since it uses less digits than its factorization.

11003313100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6419 (or 6412 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 13.

Adding to 11003313100 its reverse (131330011), we get a palindrome (11134643111).

The spelling of 11003313100 in words is "eleven billion, three million, three hundred thirteen thousand, one hundred".