1100165201 has 2 divisors, whose sum is σ = 1100165202. Its totient is φ = 1100165200.

The previous prime is 1100165197. The next prime is 1100165203. The reversal of 1100165201 is 1025610011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 973377601 + 126787600 = 31199^2 + 11260^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100165201 - 2² = 1100165197 is a prime.

It is a Sophie Germain prime.

Together with 1100165203, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1100165201.

It is not a weakly prime, because it can be changed into another prime (1100165203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550082600 + 550082601.

It is an arithmetic number, because the mean of its divisors is an integer number (550082601).

Almost surely, 2^1100165201 is an apocalyptic number.

It is an amenable number.

1100165201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100165201 is an equidigital number, since it uses as much as digits as its factorization.

1100165201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 1100165201 is about 33168.7383088353. The cubic root of 1100165201 is about 1032.3317897506.

Adding to 1100165201 its reverse (1025610011), we get a palindrome (2125775212).

The spelling of 1100165201 in words is "one billion, one hundred million, one hundred sixty-five thousand, two hundred one".