1111106105 has 4 divisors (see below), whose sum is σ = 1333327332. Its totient is φ = 888884880.

The previous prime is 1111106099. The next prime is 1111106107. The reversal of 1111106105 is 5016011111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 412455481 + 698650624 = 20309^2 + 26432^2 .

It is not a de Polignac number, because 1111106105 - 2¹⁶ = 1111040569 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1111106107) 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, 111110606 + ... + 111110615.

It is an arithmetic number, because the mean of its divisors is an integer number (333331833).

Almost surely, 2^1111106105 is an apocalyptic number.

It is an amenable number.

1111106105 is a deficient number, since it is larger than the sum of its proper divisors (222221227).

1111106105 is an equidigital number, since it uses as much as digits as its factorization.

1111106105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222221226.

The product of its (nonzero) digits is 30, while the sum is 17.

The square root of 1111106105 is about 33333.2582415821. The cubic root of 1111106105 is about 1035.7426131338.

Adding to 1111106105 its reverse (5016011111), we get a palindrome (6127117216).

The spelling of 1111106105 in words is "one billion, one hundred eleven million, one hundred six thousand, one hundred five".