11100112112105 has 4 divisors (see below), whose sum is σ = 13320134534532. Its totient is φ = 8880089689680.

The previous prime is 11100112112099. The next prime is 11100112112161. The reversal of 11100112112105 is 50121121100111.

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 6036986592784 + 5063125519321 = 2457028^2 + 2250139^2 .

It is not a de Polignac number, because 11100112112105 - 2⁶ = 11100112112041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1110011211206 + ... + 1110011211215.

It is an arithmetic number, because the mean of its divisors is an integer number (3330033633633).

Almost surely, 2^{11100112112105} is an apocalyptic number.

It is an amenable number.

11100112112105 is a deficient number, since it is larger than the sum of its proper divisors (2220022422427).

11100112112105 is an equidigital number, since it uses as much as digits as its factorization.

11100112112105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220022422426.

The product of its (nonzero) digits is 20, while the sum is 17.

Adding to 11100112112105 its reverse (50121121100111), we get a palindrome (61221233212216).

The spelling of 11100112112105 in words is "eleven trillion, one hundred billion, one hundred twelve million, one hundred twelve thousand, one hundred five".