11201110120 has 64 divisors (see below), whose sum is σ = 25379367120. Its totient is φ = 4449091584.

The previous prime is 11201110111. The next prime is 11201110163. The reversal of 11201110120 is 2101110211.

It can be written as a sum of positive squares in 8 ways, for example, as 1522092196 + 9679017924 = 39014^2 + 98382^2 .

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 = 11201110097 and 11201110106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5966622 + ... + 5968498.

Almost surely, 2^11201110120 is an apocalyptic number.

11201110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11201110120 is an abundant number, since it is smaller than the sum of its proper divisors (14178257000).

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

11201110120 is a wasteful number, since it uses less digits than its factorization.

11201110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854 (or 2850 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11201110120 its reverse (2101110211), we get a palindrome (13302220331).

Subtracting from 11201110120 its reverse (2101110211), we obtain a palindrome (9099999909).

The spelling of 11201110120 in words is "eleven billion, two hundred one million, one hundred ten thousand, one hundred twenty".