201120221012209 has 2 divisors, whose sum is σ = 201120221012210. Its totient is φ = 201120221012208.

The previous prime is 201120221012177. The next prime is 201120221012231. The reversal of 201120221012209 is 902210122021102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148480073857600 + 52640147154609 = 12185240^2 + 7255353^2 .

It is a cyclic number.

It is not a de Polignac number, because 201120221012209 - 2⁵ = 201120221012177 is a prime.

It is not a weakly prime, because it can be changed into another prime (201120221012239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100560110506104 + 100560110506105.

It is an arithmetic number, because the mean of its divisors is an integer number (100560110506105).

Almost surely, 2^{201120221012209} is an apocalyptic number.

It is an amenable number.

201120221012209 is a deficient number, since it is larger than the sum of its proper divisors (1).

201120221012209 is an equidigital number, since it uses as much as digits as its factorization.

201120221012209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 201120221012209 in words is "two hundred one trillion, one hundred twenty billion, two hundred twenty-one million, twelve thousand, two hundred nine".