120222202001221 has 2 divisors, whose sum is σ = 120222202001222. Its totient is φ = 120222202001220.

The previous prime is 120222202001197. The next prime is 120222202001243. The reversal of 120222202001221 is 122100202222021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74578855169025 + 45643346832196 = 8635905^2 + 6755986^2 .

It is a cyclic number.

It is not a de Polignac number, because 120222202001221 - 2⁵ = 120222202001189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120222202001621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60111101000610 + 60111101000611.

It is an arithmetic number, because the mean of its divisors is an integer number (60111101000611).

Almost surely, 2^{120222202001221} is an apocalyptic number.

It is an amenable number.

120222202001221 is a deficient number, since it is larger than the sum of its proper divisors (1).

120222202001221 is an equidigital number, since it uses as much as digits as its factorization.

120222202001221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 120222202001221 its reverse (122100202222021), we get a palindrome (242322404223242).

The spelling of 120222202001221 in words is "one hundred twenty trillion, two hundred twenty-two billion, two hundred two million, one thousand, two hundred twenty-one".