320201113111 has 12 divisors (see below), whose sum is σ = 351970342416. Its totient is φ = 291080551520.

The previous prime is 320201113103. The next prime is 320201113129. The reversal of 320201113111 is 111311102023.

It is a happy number.

It is not a de Polignac number, because 320201113111 - 2³ = 320201113103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320201113411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5625651 + ... + 5682283.

It is an arithmetic number, because the mean of its divisors is an integer number (29330861868).

Almost surely, 2^320201113111 is an apocalyptic number.

320201113111 is a deficient number, since it is larger than the sum of its proper divisors (31769229305).

320201113111 is a wasteful number, since it uses less digits than its factorization.

320201113111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103382 (or 103371 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 320201113111 its reverse (111311102023), we get a palindrome (431512215134).

The spelling of 320201113111 in words is "three hundred twenty billion, two hundred one million, one hundred thirteen thousand, one hundred eleven".