203211401201 has 4 divisors (see below), whose sum is σ = 203393328372. Its totient is φ = 203029474032.

The previous prime is 203211401191. The next prime is 203211401207. The reversal of 203211401201 is 102104112302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99010915600 + 104200485601 = 314660^2 + 322801^2 .

It is a cyclic number.

It is not a de Polignac number, because 203211401201 - 2¹⁰ = 203211400177 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 203211401201.

It is not an unprimeable number, because it can be changed into a prime (203211401207) 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 3 ways as a sum of consecutive naturals, for example, 90961910 + ... + 90964143.

It is an arithmetic number, because the mean of its divisors is an integer number (50848332093).

Almost surely, 2^203211401201 is an apocalyptic number.

It is an amenable number.

203211401201 is a deficient number, since it is larger than the sum of its proper divisors (181927171).

203211401201 is a wasteful number, since it uses less digits than its factorization.

203211401201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181927170.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 203211401201 its reverse (102104112302), we get a palindrome (305315513503).

The spelling of 203211401201 in words is "two hundred three billion, two hundred eleven million, four hundred one thousand, two hundred one".