11101101200 has 60 divisors (see below), whose sum is σ = 30480459840. Its totient is φ = 3806090880.

The previous prime is 11101101199. The next prime is 11101101211. The reversal of 11101101200 is 210110111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1979540 + ... + 1985139.

It is an arithmetic number, because the mean of its divisors is an integer number (508007664).

Almost surely, 2^11101101200 is an apocalyptic number.

11101101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101101200 is an abundant number, since it is smaller than the sum of its proper divisors (19379358640).

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

11101101200 is a wasteful number, since it uses less digits than its factorization.

11101101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3964704 (or 3964693 counting only the distinct ones).

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

Adding to 11101101200 its reverse (210110111), we get a palindrome (11311211311).

The spelling of 11101101200 in words is "eleven billion, one hundred one million, one hundred one thousand, two hundred".