203231421201 has 16 divisors (see below), whose sum is σ = 277396488000. Its totient is φ = 132301216320.

The previous prime is 203231421149. The next prime is 203231421209. The reversal of 203231421201 is 102124132302.

It is not a de Polignac number, because 203231421201 - 2¹⁸ = 203231159057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203231421209) 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 15 ways as a sum of consecutive naturals, for example, 2995326 + ... + 3062423.

It is an arithmetic number, because the mean of its divisors is an integer number (17337280500).

Almost surely, 2^203231421201 is an apocalyptic number.

It is an amenable number.

203231421201 is a deficient number, since it is larger than the sum of its proper divisors (74165066799).

203231421201 is a wasteful number, since it uses less digits than its factorization.

203231421201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6058016.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 203231421201 its reverse (102124132302), we get a palindrome (305355553503).

The spelling of 203231421201 in words is "two hundred three billion, two hundred thirty-one million, four hundred twenty-one thousand, two hundred one".