1110002101209 has 6 divisors (see below), whose sum is σ = 1603336368426. Its totient is φ = 740001400800.

The previous prime is 1110002101189. The next prime is 1110002101217. The reversal of 1110002101209 is 9021012000111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 794287347984 + 315714753225 = 891228^2 + 561885^2 .

It is not a de Polignac number, because 1110002101209 - 2¹³ = 1110002093017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1110002101191 and 1110002101200.

It is not an unprimeable number, because it can be changed into a prime (1110002101289) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61666783392 + ... + 61666783409.

It is an arithmetic number, because the mean of its divisors is an integer number (267222728071).

Almost surely, 2^{1110002101209} is an apocalyptic number.

It is an amenable number.

1110002101209 is a deficient number, since it is larger than the sum of its proper divisors (493334267217).

1110002101209 is a wasteful number, since it uses less digits than its factorization.

1110002101209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123333566807 (or 123333566804 counting only the distinct ones).

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

The spelling of 1110002101209 in words is "one trillion, one hundred ten billion, two million, one hundred one thousand, two hundred nine".