11200212120 has 64 divisors (see below), whose sum is σ = 33978204000. Its totient is φ = 2953161728.

The previous prime is 11200212113. The next prime is 11200212151. The reversal of 11200212120 is 2121200211.

11200212120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11200212096 and 11200212105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 513675 + ... + 535034.

Almost surely, 2^11200212120 is an apocalyptic number.

11200212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11200212120 is an abundant number, since it is smaller than the sum of its proper divisors (22777991880).

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

11200212120 is a wasteful number, since it uses less digits than its factorization.

11200212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048812 (or 1048808 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11200212120 its reverse (2121200211), we get a palindrome (13321412331).

The spelling of 11200212120 in words is "eleven billion, two hundred million, two hundred twelve thousand, one hundred twenty".