11001112100 has 144 divisors (see below), whose sum is σ = 27865924800. Its totient is φ = 3727296000.

The previous prime is 11001112051. The next prime is 11001112117. The reversal of 11001112100 is 121110011.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1270586 + ... + 1279214.

Almost surely, 2^11001112100 is an apocalyptic number.

11001112100 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 11001112100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13932962400).

11001112100 is an abundant number, since it is smaller than the sum of its proper divisors (16864812700).

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

11001112100 is a wasteful number, since it uses less digits than its factorization.

11001112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8734 (or 8727 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 11001112100 its reverse (121110011), we get a palindrome (11122222111).

The spelling of 11001112100 in words is "eleven billion, one million, one hundred twelve thousand, one hundred".