11100113111 has 4 divisors (see below), whose sum is σ = 11100327000. Its totient is φ = 11099899224.

The previous prime is 11100113033. The next prime is 11100113153. The reversal of 11100113111 is 11131100111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11100113111 - 2¹⁴ = 11100096727 is a prime.

It is a super-2 number, since 2×11100113111² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11100113092 and 11100113101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100143111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25940 + ... + 151238.

It is an arithmetic number, because the mean of its divisors is an integer number (2775081750).

Almost surely, 2^11100113111 is an apocalyptic number.

11100113111 is a deficient number, since it is larger than the sum of its proper divisors (213889).

11100113111 is an equidigital number, since it uses as much as digits as its factorization.

11100113111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213888.

The product of its (nonzero) digits is 3, while the sum is 11.

Adding to 11100113111 its reverse (11131100111), we get a palindrome (22231213222).

The spelling of 11100113111 in words is "eleven billion, one hundred million, one hundred thirteen thousand, one hundred eleven".