201111102020109 has 16 divisors (see below), whose sum is σ = 268232731797888. Its totient is φ = 134031772984512.

The previous prime is 201111102020099. The next prime is 201111102020183. The reversal of 201111102020109 is 901020201111102.

It is not a de Polignac number, because 201111102020109 - 2⁷ = 201111102019981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201111102027109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293957059 + ... + 294640415.

It is an arithmetic number, because the mean of its divisors is an integer number (16764545737368).

Almost surely, 2^{201111102020109} is an apocalyptic number.

It is an amenable number.

201111102020109 is a deficient number, since it is larger than the sum of its proper divisors (67121629777779).

201111102020109 is a wasteful number, since it uses less digits than its factorization.

201111102020109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714164.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 201111102020109 in words is "two hundred one trillion, one hundred eleven billion, one hundred two million, twenty thousand, one hundred nine".