203321111201 has 8 divisors (see below), whose sum is σ = 218965254144. Its totient is φ = 187677547920.

The previous prime is 203321111177. The next prime is 203321111237. The reversal of 203321111201 is 102111123302.

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-203321111201 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 203321111201.

It is not an unprimeable number, because it can be changed into a prime (203321111281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 823136 + ... + 1041246.

It is an arithmetic number, because the mean of its divisors is an integer number (27370656768).

Almost surely, 2^203321111201 is an apocalyptic number.

It is an amenable number.

203321111201 is a deficient number, since it is larger than the sum of its proper divisors (15644142943).

203321111201 is a wasteful number, since it uses less digits than its factorization.

203321111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289831.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 203321111201 its reverse (102111123302), we get a palindrome (305432234503).

The spelling of 203321111201 in words is "two hundred three billion, three hundred twenty-one million, one hundred eleven thousand, two hundred one".