120210221221201 has 2 divisors, whose sum is σ = 120210221221202. Its totient is φ = 120210221221200.

The previous prime is 120210221221121. The next prime is 120210221221267. The reversal of 120210221221201 is 102122122012021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116366272782400 + 3843948438801 = 10787320^2 + 1960599^2 .

It is a cyclic number.

It is not a de Polignac number, because 120210221221201 - 2¹⁵ = 120210221188433 is a prime.

It is not a weakly prime, because it can be changed into another prime (120210221201201) 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 as a sum of consecutive naturals, namely, 60105110610600 + 60105110610601.

It is an arithmetic number, because the mean of its divisors is an integer number (60105110610601).

Almost surely, 2^{120210221221201} is an apocalyptic number.

It is an amenable number.

120210221221201 is a deficient number, since it is larger than the sum of its proper divisors (1).

120210221221201 is an equidigital number, since it uses as much as digits as its factorization.

120210221221201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 120210221221201 its reverse (102122122012021), we get a palindrome (222332343233222).

The spelling of 120210221221201 in words is "one hundred twenty trillion, two hundred ten billion, two hundred twenty-one million, two hundred twenty-one thousand, two hundred one".