11201200120 has 64 divisors (see below), whose sum is σ = 28441951200. Its totient is φ = 3932705280.

The previous prime is 11201200117. The next prime is 11201200121. The reversal of 11201200120 is 2100210211.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 11201200097 and 11201200106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201200121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426159 + ... + 451678.

Almost surely, 2^11201200120 is an apocalyptic number.

11201200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11201200120 is an abundant number, since it is smaller than the sum of its proper divisors (17240751080).

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

11201200120 is a wasteful number, since it uses less digits than its factorization.

11201200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877888 (or 877884 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11201200120 its reverse (2100210211), we get a palindrome (13301410331).

The spelling of 11201200120 in words is "eleven billion, two hundred one million, two hundred thousand, one hundred twenty".