2120002211209 has 4 divisors (see below), whose sum is σ = 2212176220416. Its totient is φ = 2027828202004.

The previous prime is 2120002211207. The next prime is 2120002211233. The reversal of 2120002211209 is 9021122000212.

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 2120002211209 - 2¹ = 2120002211207 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 2120002211209.

It is not an unprimeable number, because it can be changed into a prime (2120002211207) 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, 46087004569 + ... + 46087004614.

It is an arithmetic number, because the mean of its divisors is an integer number (553044055104).

Almost surely, 2^{2120002211209} is an apocalyptic number.

It is an amenable number.

2120002211209 is a deficient number, since it is larger than the sum of its proper divisors (92174009207).

2120002211209 is an equidigital number, since it uses as much as digits as its factorization.

2120002211209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92174009206.

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

The spelling of 2120002211209 in words is "two trillion, one hundred twenty billion, two million, two hundred eleven thousand, two hundred nine".