320111021113 has 16 divisors (see below), whose sum is σ = 351024647680. Its totient is φ = 290132233344.

The previous prime is 320111021107. The next prime is 320111021123. The reversal of 320111021113 is 311120111023.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 320111021113 - 2⁹ = 320111020601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320111021123) 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, 544683 + ... + 967936.

It is an arithmetic number, because the mean of its divisors is an integer number (21939040480).

Almost surely, 2^320111021113 is an apocalyptic number.

It is an amenable number.

320111021113 is a deficient number, since it is larger than the sum of its proper divisors (30913626567).

320111021113 is a wasteful number, since it uses less digits than its factorization.

320111021113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512928.

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

Adding to 320111021113 its reverse (311120111023), we get a palindrome (631231132136).

It can be divided in two parts, 3201110 and 21113, that added together give a palindrome (3222223).

The spelling of 320111021113 in words is "three hundred twenty billion, one hundred eleven million, twenty-one thousand, one hundred thirteen".