4102202402321 has 2 divisors, whose sum is σ = 4102202402322. Its totient is φ = 4102202402320.

The previous prime is 4102202402297. The next prime is 4102202402341. The reversal of 4102202402321 is 1232042022014.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2475710286721 + 1626492115600 = 1573439^2 + 1275340^2 .

It is a cyclic number.

It is not a de Polignac number, because 4102202402321 - 2³⁸ = 3827324495377 is a prime.

It is not a weakly prime, because it can be changed into another prime (4102202402341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2051101201160 + 2051101201161.

It is an arithmetic number, because the mean of its divisors is an integer number (2051101201161).

Almost surely, 2^{4102202402321} is an apocalyptic number.

It is an amenable number.

4102202402321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4102202402321 is an equidigital number, since it uses as much as digits as its factorization.

4102202402321 is an evil number, because the sum of its binary digits is even.

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

Adding to 4102202402321 its reverse (1232042022014), we get a palindrome (5334244424335).

The spelling of 4102202402321 in words is "four trillion, one hundred two billion, two hundred two million, four hundred two thousand, three hundred twenty-one".