203210010001 has 4 divisors (see below), whose sum is σ = 203212844352. Its totient is φ = 203207175652.

The previous prime is 203210009993. The next prime is 203210010019. The reversal of 203210010001 is 100010012302.

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.

It is a cyclic number.

It is not a de Polignac number, because 203210010001 - 2³ = 203210009993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203210010001.

It is not an unprimeable number, because it can be changed into a prime (203210010061) 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, 1306765 + ... + 1453978.

It is an arithmetic number, because the mean of its divisors is an integer number (50803211088).

Almost surely, 2^203210010001 is an apocalyptic number.

It is an amenable number.

203210010001 is a deficient number, since it is larger than the sum of its proper divisors (2834351).

203210010001 is an equidigital number, since it uses as much as digits as its factorization.

203210010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834350.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 203210010001 its reverse (100010012302), we get a palindrome (303220022303).

The spelling of 203210010001 in words is "two hundred three billion, two hundred ten million, ten thousand, one".