1121110013105 has 4 divisors (see below), whose sum is σ = 1345332015732. Its totient is φ = 896888010480.

The previous prime is 1121110013081. The next prime is 1121110013143. The reversal of 1121110013105 is 5013100111211.

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 869804312689 + 251305700416 = 932633^2 + 501304^2 .

It is not a de Polignac number, because 1121110013105 - 2⁶ = 1121110013041 is a prime.

It is a super-2 number, since 2×1121110013105² (a number of 25 digits) contains 22 as substring.

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, 112111001306 + ... + 112111001315.

It is an arithmetic number, because the mean of its divisors is an integer number (336333003933).

Almost surely, 2^{1121110013105} is an apocalyptic number.

It is an amenable number.

1121110013105 is a deficient number, since it is larger than the sum of its proper divisors (224222002627).

1121110013105 is an equidigital number, since it uses as much as digits as its factorization.

1121110013105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224222002626.

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

Adding to 1121110013105 its reverse (5013100111211), we get a palindrome (6134210124316).

The spelling of 1121110013105 in words is "one trillion, one hundred twenty-one billion, one hundred ten million, thirteen thousand, one hundred five".