201240322211 has 2 divisors, whose sum is σ = 201240322212. Its totient is φ = 201240322210.

The previous prime is 201240322189. The next prime is 201240322219. The reversal of 201240322211 is 112223042102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201240322211 is a prime.

It is not a weakly prime, because it can be changed into another prime (201240322219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100620161105 + 100620161106.

It is an arithmetic number, because the mean of its divisors is an integer number (100620161106).

Almost surely, 2^201240322211 is an apocalyptic number.

201240322211 is a deficient number, since it is larger than the sum of its proper divisors (1).

201240322211 is an equidigital number, since it uses as much as digits as its factorization.

201240322211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 201240322211 its reverse (112223042102), we get a palindrome (313463364313).

The spelling of 201240322211 in words is "two hundred one billion, two hundred forty million, three hundred twenty-two thousand, two hundred eleven".