11201112105 has 16 divisors (see below), whose sum is σ = 18539772480. Its totient is φ = 5767928768.

The previous prime is 11201112067. The next prime is 11201112119. The reversal of 11201112105 is 50121110211.

It is a cyclic number.

It is not a de Polignac number, because 11201112105 - 2¹³ = 11201103913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

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, 12874407 + ... + 12875276.

It is an arithmetic number, because the mean of its divisors is an integer number (1158735780).

Almost surely, 2^11201112105 is an apocalyptic number.

11201112105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11201112105 is a deficient number, since it is larger than the sum of its proper divisors (7338660375).

11201112105 is a wasteful number, since it uses less digits than its factorization.

11201112105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25749720.

The product of its (nonzero) digits is 20, while the sum is 15.

Adding to 11201112105 its reverse (50121110211), we get a palindrome (61322222316).

The spelling of 11201112105 in words is "eleven billion, two hundred one million, one hundred twelve thousand, one hundred five".