201232301021 has 8 divisors (see below), whose sum is σ = 202451316480. Its totient is φ = 200014339392.

The previous prime is 201232300963. The next prime is 201232301033. The reversal of 201232301021 is 120103232102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201232301021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201232301321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121301 + ... + 645893.

It is an arithmetic number, because the mean of its divisors is an integer number (25306414560).

Almost surely, 2^201232301021 is an apocalyptic number.

It is an amenable number.

201232301021 is a deficient number, since it is larger than the sum of its proper divisors (1219015459).

201232301021 is a wasteful number, since it uses less digits than its factorization.

201232301021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526915.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 201232301021 its reverse (120103232102), we get a palindrome (321335533123).

The spelling of 201232301021 in words is "two hundred one billion, two hundred thirty-two million, three hundred one thousand, twenty-one".