11100105111 has 8 divisors (see below), whose sum is σ = 15161119344. Its totient is φ = 7219580480.

The previous prime is 11100105091. The next prime is 11100105151. The reversal of 11100105111 is 11150100111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11100105111 - 2¹⁰ = 11100104087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100105151) 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, 45122256 + ... + 45122501.

It is an arithmetic number, because the mean of its divisors is an integer number (1895139918).

Almost surely, 2^11100105111 is an apocalyptic number.

11100105111 is a deficient number, since it is larger than the sum of its proper divisors (4061014233).

11100105111 is an equidigital number, since it uses as much as digits as its factorization.

11100105111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90244801.

The product of its (nonzero) digits is 5, while the sum is 12.

Adding to 11100105111 its reverse (11150100111), we get a palindrome (22250205222).

Subtracting 11100105111 from its reverse (11150100111), we obtain a triangular number (49995000 = T₉₉₉₉).

The spelling of 11100105111 in words is "eleven billion, one hundred million, one hundred five thousand, one hundred eleven".