2122220201209 has 2 divisors, whose sum is σ = 2122220201210. Its totient is φ = 2122220201208.

The previous prime is 2122220201141. The next prime is 2122220201219. The reversal of 2122220201209 is 9021020222212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1610919408400 + 511300792809 = 1269220^2 + 715053^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122220201209 - 2⁷ = 2122220201081 is a prime.

It is not a weakly prime, because it can be changed into another prime (2122220201219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061110100604 + 1061110100605.

It is an arithmetic number, because the mean of its divisors is an integer number (1061110100605).

Almost surely, 2^{2122220201209} is an apocalyptic number.

It is an amenable number.

2122220201209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122220201209 is an equidigital number, since it uses as much as digits as its factorization.

2122220201209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 2122220201209 in words is "two trillion, one hundred twenty-two billion, two hundred twenty million, two hundred one thousand, two hundred nine".