1010111011109 has 4 divisors (see below), whose sum is σ = 1010113022604. Its totient is φ = 1010108999616.

The previous prime is 1010111011099. The next prime is 1010111011139. The reversal of 1010111011109 is 9011101110101.

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 330714706084 + 679396305025 = 575078^2 + 824255^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010111011109 - 2⁴ = 1010111011093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010111011139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446429 + ... + 1489805.

It is an arithmetic number, because the mean of its divisors is an integer number (252528255651).

Almost surely, 2^{1010111011109} is an apocalyptic number.

It is an amenable number.

1010111011109 is a deficient number, since it is larger than the sum of its proper divisors (2011495).

1010111011109 is an equidigital number, since it uses as much as digits as its factorization.

1010111011109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011494.

The product of its (nonzero) digits is 9, while the sum is 17.

The spelling of 1010111011109 in words is "one trillion, ten billion, one hundred eleven million, eleven thousand, one hundred nine".