11201100111 has 24 divisors (see below), whose sum is σ = 16393256880. Its totient is φ = 7369315200.

The previous prime is 11201100059. The next prime is 11201100149. The reversal of 11201100111 is 11100110211.

It is not a de Polignac number, because 11201100111 - 2⁶ = 11201100047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11201100093 and 11201100102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201100611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187155 + ... + 239643.

It is an arithmetic number, because the mean of its divisors is an integer number (683052370).

Almost surely, 2^11201100111 is an apocalyptic number.

11201100111 is a deficient number, since it is larger than the sum of its proper divisors (5192156769).

11201100111 is a wasteful number, since it uses less digits than its factorization.

11201100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52807 (or 52804 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 11201100111 its reverse (11100110211), we get a palindrome (22301210322).

The spelling of 11201100111 in words is "eleven billion, two hundred one million, one hundred thousand, one hundred eleven".