11201100212 has 12 divisors (see below), whose sum is σ = 19715232516. Its totient is φ = 5568176640.

The previous prime is 11201100193. The next prime is 11201100221. The reversal of 11201100212 is 21200110211.

It can be written as a sum of positive squares in 2 ways, for example, as 6471237136 + 4729863076 = 80444^2 + 68774^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11201100193 and 11201100202.

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, 8092589 + ... + 8093972.

It is an arithmetic number, because the mean of its divisors is an integer number (1642936043).

Almost surely, 2^11201100212 is an apocalyptic number.

It is an amenable number.

11201100212 is a deficient number, since it is larger than the sum of its proper divisors (8514132304).

11201100212 is a wasteful number, since it uses less digits than its factorization.

11201100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16186738 (or 16186736 counting only the distinct ones).

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

Adding to 11201100212 its reverse (21200110211), we get a palindrome (32401210423).

Subtracting 11201100212 from its reverse (21200110211), we obtain a palindrome (9999009999).

The spelling of 11201100212 in words is "eleven billion, two hundred one million, one hundred thousand, two hundred twelve".