1011120211105 has 4 divisors (see below), whose sum is σ = 1213344253332. Its totient is φ = 808896168880.

The previous prime is 1011120211069. The next prime is 1011120211121. The reversal of 1011120211105 is 5011120211101.

1011120211105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 636829536256 + 374290674849 = 798016^2 + 611793^2 .

It is not a de Polignac number, because 1011120211105 - 2²⁷ = 1010985993377 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, 101112021106 + ... + 101112021115.

It is an arithmetic number, because the mean of its divisors is an integer number (303336063333).

Almost surely, 2^{1011120211105} is an apocalyptic number.

It is an amenable number.

1011120211105 is a deficient number, since it is larger than the sum of its proper divisors (202224042227).

1011120211105 is an equidigital number, since it uses as much as digits as its factorization.

1011120211105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202224042226.

The product of its (nonzero) digits is 20, while the sum is 16.

Adding to 1011120211105 its reverse (5011120211101), we get a palindrome (6022240422206).

The spelling of 1011120211105 in words is "one trillion, eleven billion, one hundred twenty million, two hundred eleven thousand, one hundred five".