2102211020209 has 8 divisors (see below), whose sum is σ = 2273229439488. Its totient is φ = 1936454706240.

The previous prime is 2102211020207. The next prime is 2102211020213. The reversal of 2102211020209 is 9020201122012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2102211020209 - 2¹ = 2102211020207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2102211020209.

It is not an unprimeable number, because it can be changed into a prime (2102211020207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1315525497 + ... + 1315527094.

It is an arithmetic number, because the mean of its divisors is an integer number (284153679936).

Almost surely, 2^{2102211020209} is an apocalyptic number.

It is an amenable number.

2102211020209 is a deficient number, since it is larger than the sum of its proper divisors (171018419279).

2102211020209 is a wasteful number, since it uses less digits than its factorization.

2102211020209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631052655.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 2102211020209 in words is "two trillion, one hundred two billion, two hundred eleven million, twenty thousand, two hundred nine".