11230111100 has 144 divisors (see below), whose sum is σ = 27484907520. Its totient is φ = 3951763200.

The previous prime is 11230111099. The next prime is 11230111103. The reversal of 11230111100 is 111103211.

It is a happy number.

It is a super-2 number, since 2×11230111100² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11230111103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11331605 + ... + 11332595.

Almost surely, 2^11230111100 is an apocalyptic number.

11230111100 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 11230111100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13742453760).

11230111100 is an abundant number, since it is smaller than the sum of its proper divisors (16254796420).

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

11230111100 is a wasteful number, since it uses less digits than its factorization.

11230111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420 (or 1413 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 11230111100 its reverse (111103211), we get a palindrome (11341214311).

The spelling of 11230111100 in words is "eleven billion, two hundred thirty million, one hundred eleven thousand, one hundred".