320140101021 has 64 divisors (see below), whose sum is σ = 487356979200. Its totient is φ = 185431783680.

The previous prime is 320140101011. The next prime is 320140101077. The reversal of 320140101021 is 120101041023.

It is not a de Polignac number, because 320140101021 - 2²¹ = 320138003869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320140101011) 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 in 63 ways as a sum of consecutive naturals, for example, 70373655 + ... + 70378203.

It is an arithmetic number, because the mean of its divisors is an integer number (7614952800).

Almost surely, 2^320140101021 is an apocalyptic number.

It is an amenable number.

320140101021 is a deficient number, since it is larger than the sum of its proper divisors (167216878179).

320140101021 is a wasteful number, since it uses less digits than its factorization.

320140101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5826.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 320140101021 its reverse (120101041023), we get a palindrome (440241142044).

The spelling of 320140101021 in words is "three hundred twenty billion, one hundred forty million, one hundred one thousand, twenty-one".