120401024101321 has 2 divisors, whose sum is σ = 120401024101322. Its totient is φ = 120401024101320.

The previous prime is 120401024101261. The next prime is 120401024101333. The reversal of 120401024101321 is 123101420104021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85846154702400 + 34554869398921 = 9265320^2 + 5878339^2 .

It is an emirp because it is prime and its reverse (123101420104021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120401024101321 - 2¹⁹ = 120401023577033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120401024101292 and 120401024101301.

It is not a weakly prime, because it can be changed into another prime (120401024101921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60200512050660 + 60200512050661.

It is an arithmetic number, because the mean of its divisors is an integer number (60200512050661).

Almost surely, 2^{120401024101321} is an apocalyptic number.

It is an amenable number.

120401024101321 is a deficient number, since it is larger than the sum of its proper divisors (1).

120401024101321 is an equidigital number, since it uses as much as digits as its factorization.

120401024101321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 120401024101321 its reverse (123101420104021), we get a palindrome (243502444205342).

The spelling of 120401024101321 in words is "one hundred twenty trillion, four hundred one billion, twenty-four million, one hundred one thousand, three hundred twenty-one".