2120222101209 has 4 divisors (see below), whose sum is σ = 2826962801616. Its totient is φ = 1413481400804.

The previous prime is 2120222101201. The next prime is 2120222101211. The reversal of 2120222101209 is 9021012220212.

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 2120222101209 - 2³ = 2120222101201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2120222101201) 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, 353370350199 + ... + 353370350204.

It is an arithmetic number, because the mean of its divisors is an integer number (706740700404).

Almost surely, 2^{2120222101209} is an apocalyptic number.

It is an amenable number.

2120222101209 is a deficient number, since it is larger than the sum of its proper divisors (706740700407).

2120222101209 is an equidigital number, since it uses as much as digits as its factorization.

2120222101209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706740700406.

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 2120222101209 in words is "two trillion, one hundred twenty billion, two hundred twenty-two million, one hundred one thousand, two hundred nine".