321132102002103 has 16 divisors (see below), whose sum is σ = 489345053412096. Its totient is φ = 183503721544320.

The previous prime is 321132102002093. The next prime is 321132102002161. The reversal of 321132102002103 is 301200201231123.

It is not a de Polignac number, because 321132102002103 - 2¹² = 321132101998007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 321132102002103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321132102002303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2077953 + ... + 25427978.

It is an arithmetic number, because the mean of its divisors is an integer number (30584065838256).

Almost surely, 2^{321132102002103} is an apocalyptic number.

321132102002103 is a deficient number, since it is larger than the sum of its proper divisors (168212951409993).

321132102002103 is a wasteful number, since it uses less digits than its factorization.

321132102002103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28061894.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 321132102002103 its reverse (301200201231123), we get a palindrome (622332303233226).

The spelling of 321132102002103 in words is "three hundred twenty-one trillion, one hundred thirty-two billion, one hundred two million, two thousand, one hundred three".