320112302021 has 16 divisors (see below), whose sum is σ = 357320263680. Its totient is φ = 285359888640.

The previous prime is 320112301997. The next prime is 320112302039. The reversal of 320112302021 is 120203211023.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320112302021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320112322021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6437186 + ... + 6486723.

It is an arithmetic number, because the mean of its divisors is an integer number (22332516480).

Almost surely, 2^320112302021 is an apocalyptic number.

320112302021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

320112302021 is a deficient number, since it is larger than the sum of its proper divisors (37207961659).

320112302021 is a wasteful number, since it uses less digits than its factorization.

320112302021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12924004.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 320112302021 its reverse (120203211023), we get a palindrome (440315513044).

The spelling of 320112302021 in words is "three hundred twenty billion, one hundred twelve million, three hundred two thousand, twenty-one".