203214103021 has 8 divisors (see below), whose sum is σ = 207549286560. Its totient is φ = 198923843952.

The previous prime is 203214102997. The next prime is 203214103093. The reversal of 203214103021 is 120301412302.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 203214103021 - 2⁵ = 203214102989 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 203214103021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203214103321) 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 7 ways as a sum of consecutive naturals, for example, 11221975 + ... + 11240068.

It is an arithmetic number, because the mean of its divisors is an integer number (25943660820).

Almost surely, 2^203214103021 is an apocalyptic number.

It is an amenable number.

203214103021 is a deficient number, since it is larger than the sum of its proper divisors (4335183539).

203214103021 is a wasteful number, since it uses less digits than its factorization.

203214103021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22462235.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 203214103021 its reverse (120301412302), we get a palindrome (323515515323).

The spelling of 203214103021 in words is "two hundred three billion, two hundred fourteen million, one hundred three thousand, twenty-one".