320021001112 has 8 divisors (see below), whose sum is σ = 600039377100. Its totient is φ = 160010500552.

The previous prime is 320021001019. The next prime is 320021001119. The reversal of 320021001112 is 211100120023.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 320021001092 and 320021001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320021001119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20001312562 + ... + 20001312577.

Almost surely, 2^320021001112 is an apocalyptic number.

It is an amenable number.

320021001112 is a deficient number, since it is larger than the sum of its proper divisors (280018375988).

320021001112 is a wasteful number, since it uses less digits than its factorization.

320021001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40002625145 (or 40002625141 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 320021001112 its reverse (211100120023), we get a palindrome (531121121135).

The spelling of 320021001112 in words is "three hundred twenty billion, twenty-one million, one thousand, one hundred twelve".