320021213023111 has 4 divisors (see below), whose sum is σ = 320022799600824. Its totient is φ = 320019626445400.

The previous prime is 320021213023097. The next prime is 320021213023139. The reversal of 320021213023111 is 111320312120023.

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

It is a cyclic number.

It is not a de Polignac number, because 320021213023111 - 2⁵ = 320021213023079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320021213023511) 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, 792986260 + ... + 793389721.

It is an arithmetic number, because the mean of its divisors is an integer number (80005699900206).

Almost surely, 2^{320021213023111} is an apocalyptic number.

320021213023111 is a deficient number, since it is larger than the sum of its proper divisors (1586577713).

320021213023111 is a wasteful number, since it uses less digits than its factorization.

320021213023111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586577712.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 320021213023111 its reverse (111320312120023), we get a palindrome (431341525143134).

The spelling of 320021213023111 in words is "three hundred twenty trillion, twenty-one billion, two hundred thirteen million, twenty-three thousand, one hundred eleven".