201110120002109 has 4 divisors (see below), whose sum is σ = 201195662377920. Its totient is φ = 201024577626300.

The previous prime is 201110120002021. The next prime is 201110120002111. The reversal of 201110120002109 is 901200021011102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201110120002109 - 2⁸ = 201110120001853 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 (201110120002709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42771184379 + ... + 42771189080.

It is an arithmetic number, because the mean of its divisors is an integer number (50298915594480).

Almost surely, 2^{201110120002109} is an apocalyptic number.

It is an amenable number.

201110120002109 is a deficient number, since it is larger than the sum of its proper divisors (85542375811).

201110120002109 is an equidigital number, since it uses as much as digits as its factorization.

201110120002109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85542375810.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 201110120002109 in words is "two hundred one trillion, one hundred ten billion, one hundred twenty million, two thousand, one hundred nine".