320202221111 has 8 divisors (see below), whose sum is σ = 328025376000. Its totient is φ = 312379701760.

The previous prime is 320202221099. The next prime is 320202221137. The reversal of 320202221111 is 111122202023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320202221111 - 2¹⁴ = 320202204727 is a prime.

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 320202221111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320202221191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955370 + ... + 1246248.

It is an arithmetic number, because the mean of its divisors is an integer number (41003172000).

Almost surely, 2^320202221111 is an apocalyptic number.

320202221111 is a deficient number, since it is larger than the sum of its proper divisors (7823154889).

320202221111 is a wasteful number, since it uses less digits than its factorization.

320202221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317769.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 320202221111 its reverse (111122202023), we get a palindrome (431324423134).

The spelling of 320202221111 in words is "three hundred twenty billion, two hundred two million, two hundred twenty-one thousand, one hundred eleven".