321132112203 has 16 divisors (see below), whose sum is σ = 493833570560. Its totient is φ = 181820539296.

The previous prime is 321132112159. The next prime is 321132112247. The reversal of 321132112203 is 302211231123.

321132112203 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (321132112159) and next prime (321132112247).

It is not a de Polignac number, because 321132112203 - 2⁸ = 321132111947 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 321132112203.

It is not an unprimeable number, because it can be changed into a prime (321132112253) 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, 70144525 + ... + 70149102.

It is an arithmetic number, because the mean of its divisors is an integer number (30864598160).

Almost surely, 2^321132112203 is an apocalyptic number.

321132112203 is a deficient number, since it is larger than the sum of its proper divisors (172701458357).

321132112203 is a wasteful number, since it uses less digits than its factorization.

321132112203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140293746.

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

Adding to 321132112203 its reverse (302211231123), we get a palindrome (623343343326).

The spelling of 321132112203 in words is "three hundred twenty-one billion, one hundred thirty-two million, one hundred twelve thousand, two hundred three".