2102220012209 has 2 divisors, whose sum is σ = 2102220012210. Its totient is φ = 2102220012208.

The previous prime is 2102220012169. The next prime is 2102220012229. The reversal of 2102220012209 is 9022100222012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1955298822400 + 146921189809 = 1398320^2 + 383303^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102220012209 is a prime.

It is not a weakly prime, because it can be changed into another prime (2102220012229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051110006104 + 1051110006105.

It is an arithmetic number, because the mean of its divisors is an integer number (1051110006105).

Almost surely, 2^{2102220012209} is an apocalyptic number.

It is an amenable number.

2102220012209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102220012209 is an equidigital number, since it uses as much as digits as its factorization.

2102220012209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 2102220012209 in words is "two trillion, one hundred two billion, two hundred twenty million, twelve thousand, two hundred nine".