120221120101217 has 2 divisors, whose sum is σ = 120221120101218. Its totient is φ = 120221120101216.

The previous prime is 120221120101157. The next prime is 120221120101241. The reversal of 120221120101217 is 712101021122021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85090736087296 + 35130384013921 = 9224464^2 + 5927089^2 .

It is a cyclic number.

It is not a de Polignac number, because 120221120101217 - 2¹⁴ = 120221120084833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120221120101192 and 120221120101201.

It is not a weakly prime, because it can be changed into another prime (120221120101297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60110560050608 + 60110560050609.

It is an arithmetic number, because the mean of its divisors is an integer number (60110560050609).

Almost surely, 2^{120221120101217} is an apocalyptic number.

It is an amenable number.

120221120101217 is a deficient number, since it is larger than the sum of its proper divisors (1).

120221120101217 is an equidigital number, since it uses as much as digits as its factorization.

120221120101217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 120221120101217 its reverse (712101021122021), we get a palindrome (832322141223238).

The spelling of 120221120101217 in words is "one hundred twenty trillion, two hundred twenty-one billion, one hundred twenty million, one hundred one thousand, two hundred seventeen".