11223311100 has 72 divisors (see below), whose sum is σ = 32486670720. Its totient is φ = 2991602880.

The previous prime is 11223311093. The next prime is 11223311101. The reversal of 11223311100 is 111332211.

It is a happy number.

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

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 11223311100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223311101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 846321 + ... + 859479.

It is an arithmetic number, because the mean of its divisors is an integer number (451203760).

Almost surely, 2^11223311100 is an apocalyptic number.

11223311100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11223311100 is an abundant number, since it is smaller than the sum of its proper divisors (21263359620).

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

11223311100 is a wasteful number, since it uses less digits than its factorization.

11223311100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16019 (or 16012 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11223311100 its reverse (111332211), we get a palindrome (11334643311).

The spelling of 11223311100 in words is "eleven billion, two hundred twenty-three million, three hundred eleven thousand, one hundred".