11201020112 has 20 divisors (see below), whose sum is σ = 22978563876. Its totient is φ = 5271068160.

The previous prime is 11201020097. The next prime is 11201020147. The reversal of 11201020112 is 21102010211.

It can be written as a sum of positive squares in 2 ways, for example, as 4122153616 + 7078866496 = 64204^2 + 84136^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11201020093 and 11201020102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20589839 + ... + 20590382.

Almost surely, 2^11201020112 is an apocalyptic number.

It is an amenable number.

11201020112 is an abundant number, since it is smaller than the sum of its proper divisors (11777543764).

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

11201020112 is a wasteful number, since it uses less digits than its factorization.

11201020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41180246 (or 41180240 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11201020112 its reverse (21102010211), we get a palindrome (32303030323).

Subtracting 11201020112 from its reverse (21102010211), we obtain a palindrome (9900990099).

The spelling of 11201020112 in words is "eleven billion, two hundred one million, twenty thousand, one hundred twelve".