11200001112 has 96 divisors (see below), whose sum is σ = 31788490800. Its totient is φ = 3653745408.

The previous prime is 11200001107. The next prime is 11200001207. The reversal of 11200001112 is 21110000211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11200001094 and 11200001103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 465408 + ... + 488880.

Almost surely, 2^11200001112 is an apocalyptic number.

11200001112 is a gapful number since it is divisible by the number (12) 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 11200001112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15894245400).

11200001112 is an abundant number, since it is smaller than the sum of its proper divisors (20588489688).

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

11200001112 is a wasteful number, since it uses less digits than its factorization.

11200001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23582 (or 23525 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11200001112 its reverse (21110000211), we get a palindrome (32310001323).

Subtracting 11200001112 from its reverse (21110000211), we obtain a palindrome (9909999099).

The spelling of 11200001112 in words is "eleven billion, two hundred million, one thousand, one hundred twelve".