201220301 has 4 divisors (see below), whose sum is σ = 205501632. Its totient is φ = 196938972.

The previous prime is 201220297. The next prime is 201220309. The reversal of 201220301 is 103022102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 103022102 = 2 ⋅51511051.

It is a cyclic number.

It is not a de Polignac number, because 201220301 - 2² = 201220297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201220309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2140595 + ... + 2140688.

It is an arithmetic number, because the mean of its divisors is an integer number (51375408).

Almost surely, 2^201220301 is an apocalyptic number.

It is an amenable number.

201220301 is a deficient number, since it is larger than the sum of its proper divisors (4281331).

201220301 is an equidigital number, since it uses as much as digits as its factorization.

201220301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4281330.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 201220301 is about 14185.2141682810. The cubic root of 201220301 is about 585.9905307015.

Adding to 201220301 its reverse (103022102), we get a palindrome (304242403).

The spelling of 201220301 in words is "two hundred one million, two hundred twenty thousand, three hundred one".