11101200111 has 24 divisors (see below), whose sum is σ = 16217881680. Its totient is φ = 7316870400.

The previous prime is 11101200059. The next prime is 11101200119. The reversal of 11101200111 is 11100210111.

It is not a de Polignac number, because 11101200111 - 2²³ = 11092811503 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 = 11101200093 and 11101200102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101200119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 283081 + ... + 319901.

It is an arithmetic number, because the mean of its divisors is an integer number (675745070).

Almost surely, 2^11101200111 is an apocalyptic number.

11101200111 is a deficient number, since it is larger than the sum of its proper divisors (5116681569).

11101200111 is a wasteful number, since it uses less digits than its factorization.

11101200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37207 (or 37204 counting only the distinct ones).

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

Adding to 11101200111 its reverse (11100210111), we get a palindrome (22201410222).

The spelling of 11101200111 in words is "eleven billion, one hundred one million, two hundred thousand, one hundred eleven".