201326611 has 2 divisors, whose sum is σ = 201326612. Its totient is φ = 201326610.

The previous prime is 201326557. The next prime is 201326621. The reversal of 201326611 is 116623102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201326611 - 2²³ = 192938003 is a prime.

It is not a weakly prime, because it can be changed into another prime (201326621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100663305 + 100663306.

It is an arithmetic number, because the mean of its divisors is an integer number (100663306).

Almost surely, 2^201326611 is an apocalyptic number.

201326611 is a deficient number, since it is larger than the sum of its proper divisors (1).

201326611 is an equidigital number, since it uses as much as digits as its factorization.

201326611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 201326611 is about 14188.9608851388. The cubic root of 201326611 is about 586.0937106246.

Adding to 201326611 its reverse (116623102), we get a palindrome (317949713).

The spelling of 201326611 in words is "two hundred one million, three hundred twenty-six thousand, six hundred eleven".