10111001001109 has 4 divisors (see below), whose sum is σ = 10134352043116. Its totient is φ = 10087649959104.

The previous prime is 10111001001061. The next prime is 10111001001121. The reversal of 10111001001109 is 90110010011101.

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 3808340541009 + 6302660460100 = 1951497^2 + 2510510^2 .

It is a cyclic number.

It is not a de Polignac number, because 10111001001109 - 2⁷ = 10111001000981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10111001001092 and 10111001001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111001001139) 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, 11675520354 + ... + 11675521219.

It is an arithmetic number, because the mean of its divisors is an integer number (2533588010779).

Almost surely, 2^{10111001001109} is an apocalyptic number.

It is an amenable number.

10111001001109 is a deficient number, since it is larger than the sum of its proper divisors (23351042007).

10111001001109 is an equidigital number, since it uses as much as digits as its factorization.

10111001001109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23351042006.

The product of its (nonzero) digits is 9, while the sum is 16.

The spelling of 10111001001109 in words is "ten trillion, one hundred eleven billion, one million, one thousand, one hundred nine".