320021112003 has 16 divisors (see below), whose sum is σ = 428290087680. Its totient is φ = 212551147424.

The previous prime is 320021111903. The next prime is 320021112041. The reversal of 320021112003 is 300211120023.

It is a cyclic number.

It is not a de Polignac number, because 320021112003 - 2⁸ = 320021111747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320021162003) 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, 762625 + ... + 1105277.

It is an arithmetic number, because the mean of its divisors is an integer number (26768130480).

Almost surely, 2^320021112003 is an apocalyptic number.

320021112003 is a deficient number, since it is larger than the sum of its proper divisors (108268975677).

320021112003 is a wasteful number, since it uses less digits than its factorization.

320021112003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343818.

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

Adding to 320021112003 its reverse (300211120023), we get a palindrome (620232232026).

The spelling of 320021112003 in words is "three hundred twenty billion, twenty-one million, one hundred twelve thousand, three".