11201111000012 has 24 divisors (see below), whose sum is σ = 19923766380672. Its totient is φ = 5508610732800.

The previous prime is 11201110999987. The next prime is 11201111000017. The reversal of 11201111000012 is 21000011110211.

It is a junction number, because it is equal to n+sod(n) for n = 11201110999957 and 11201111000002.

It is not an unprimeable number, because it can be changed into a prime (11201111000017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10038437 + ... + 11098307.

It is an arithmetic number, because the mean of its divisors is an integer number (830156932528).

Almost surely, 2^{11201111000012} is an apocalyptic number.

It is an amenable number.

11201111000012 is a deficient number, since it is larger than the sum of its proper divisors (8722655380660).

11201111000012 is a wasteful number, since it uses less digits than its factorization.

11201111000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103249 (or 1103247 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11201111000012 its reverse (21000011110211), we get a palindrome (32201122110223).

The spelling of 11201111000012 in words is "eleven trillion, two hundred one billion, one hundred eleven million, twelve", and thus it is an aban number.