2011201001109 has 10 divisors (see below), whose sum is σ = 3004386680790. Its totient is φ = 1340800667352.

The previous prime is 2011201001107. The next prime is 2011201001179. The reversal of 2011201001109 is 9011001021102.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1175320510884 + 835880490225 = 1084122^2 + 914265^2 .

It is not a de Polignac number, because 2011201001109 - 2¹ = 2011201001107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2011201001091 and 2011201001100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011201001107) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12414820914 + ... + 12414821075.

It is an arithmetic number, because the mean of its divisors is an integer number (300438668079).

Almost surely, 2^{2011201001109} is an apocalyptic number.

It is an amenable number.

2011201001109 is a deficient number, since it is larger than the sum of its proper divisors (993185679681).

2011201001109 is an equidigital number, since it uses as much as digits as its factorization.

2011201001109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24829642001 (or 24829641992 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 2011201001109 in words is "two trillion, eleven billion, two hundred one million, one thousand, one hundred nine".