203321102111 has 8 divisors (see below), whose sum is σ = 208338628848. Its totient is φ = 198306360000.

The previous prime is 203321102071. The next prime is 203321102129. The reversal of 203321102111 is 111201123302.

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 203321102111 - 2²⁶ = 203253993247 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 203321102111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203321102191) 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, 547940 + ... + 840761.

It is an arithmetic number, because the mean of its divisors is an integer number (26042328606).

Almost surely, 2^203321102111 is an apocalyptic number.

203321102111 is a deficient number, since it is larger than the sum of its proper divisors (5017526737).

203321102111 is a wasteful number, since it uses less digits than its factorization.

203321102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392313.

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

Adding to 203321102111 its reverse (111201123302), we get a palindrome (314522225413).

The spelling of 203321102111 in words is "two hundred three billion, three hundred twenty-one million, one hundred two thousand, one hundred eleven".