321020122032003 has 4 divisors (see below), whose sum is σ = 428026829376008. Its totient is φ = 214013414688000.

The previous prime is 321020122031993. The next prime is 321020122032007. The reversal of 321020122032003 is 300230221020123.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 321020122032003 - 2¹⁸ = 321020121769859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321020122032007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53503353671998 + ... + 53503353672003.

It is an arithmetic number, because the mean of its divisors is an integer number (107006707344002).

Almost surely, 2^{321020122032003} is an apocalyptic number.

321020122032003 is a deficient number, since it is larger than the sum of its proper divisors (107006707344005).

321020122032003 is a wasteful number, since it uses less digits than its factorization.

321020122032003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107006707344004.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 321020122032003 its reverse (300230221020123), we get a palindrome (621250343052126).

The spelling of 321020122032003 in words is "three hundred twenty-one trillion, twenty billion, one hundred twenty-two million, thirty-two thousand, three".