321201020103000 has 64 divisors (see below), whose sum is σ = 1002147182730720. Its totient is φ = 85653605360000.

The previous prime is 321201020102953. The next prime is 321201020103109. The reversal of 321201020103000 is 301020102123.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53533500351 + ... + 53533506350.

Almost surely, 2^{321201020103000} is an apocalyptic number.

321201020103000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

321201020103000 is an abundant number, since it is smaller than the sum of its proper divisors (680946162627720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321201020103000 is a wasteful number, since it uses less digits than its factorization.

321201020103000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107067006725 (or 107067006711 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 321201020103000 its reverse (301020102123), we get a palindrome (321502040205123).

The spelling of 321201020103000 in words is "three hundred twenty-one trillion, two hundred one billion, twenty million, one hundred three thousand".