4102242020321 has 4 divisors (see below), whose sum is σ = 4120637724672. Its totient is φ = 4083846315972.

The previous prime is 4102242020309. The next prime is 4102242020341. The reversal of 4102242020321 is 1230202422014.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4102242020321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4102242020341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9197851841 + ... + 9197852286.

It is an arithmetic number, because the mean of its divisors is an integer number (1030159431168).

Almost surely, 2^{4102242020321} is an apocalyptic number.

It is an amenable number.

4102242020321 is a deficient number, since it is larger than the sum of its proper divisors (18395704351).

4102242020321 is a wasteful number, since it uses less digits than its factorization.

4102242020321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18395704350.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 4102242020321 its reverse (1230202422014), we get a palindrome (5332444442335).

The spelling of 4102242020321 in words is "four trillion, one hundred two billion, two hundred forty-two million, twenty thousand, three hundred twenty-one".