120131022100321 has 4 divisors (see below), whose sum is σ = 120541025589012. Its totient is φ = 119721018611632.

The previous prime is 120131022100307. The next prime is 120131022100333. The reversal of 120131022100321 is 123001220131021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 85700121294096 + 34430900806225 = 9257436^2 + 5867785^2 .

It is a cyclic number.

It is not a de Polignac number, because 120131022100321 - 2¹¹ = 120131022098273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120131022100351) 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, 205001743906 + ... + 205001744491.

It is an arithmetic number, because the mean of its divisors is an integer number (30135256397253).

Almost surely, 2^{120131022100321} is an apocalyptic number.

It is an amenable number.

120131022100321 is a deficient number, since it is larger than the sum of its proper divisors (410003488691).

120131022100321 is an equidigital number, since it uses as much as digits as its factorization.

120131022100321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410003488690.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 120131022100321 its reverse (123001220131021), we get a palindrome (243132242231342).

The spelling of 120131022100321 in words is "one hundred twenty trillion, one hundred thirty-one billion, twenty-two million, one hundred thousand, three hundred twenty-one".