321010201223103 has 16 divisors (see below), whose sum is σ = 489163352568320. Its totient is φ = 183432544184736.

The previous prime is 321010201223083. The next prime is 321010201223137. The reversal of 321010201223103 is 301322102010123.

It is not a de Polignac number, because 321010201223103 - 2⁸ = 321010201222847 is a prime.

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

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 321010201223103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321010201223003) 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, 75229075 + ... + 79381572.

It is an arithmetic number, because the mean of its divisors is an integer number (30572709535520).

Almost surely, 2^{321010201223103} is an apocalyptic number.

321010201223103 is a deficient number, since it is larger than the sum of its proper divisors (168153151345217).

321010201223103 is a wasteful number, since it uses less digits than its factorization.

321010201223103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154709526.

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

Adding to 321010201223103 its reverse (301322102010123), we get a palindrome (622332303233226).

The spelling of 321010201223103 in words is "three hundred twenty-one trillion, ten billion, two hundred one million, two hundred twenty-three thousand, one hundred three".