120221222201 has 2 divisors, whose sum is σ = 120221222202. Its totient is φ = 120221222200.

The previous prime is 120221222179. The next prime is 120221222287. The reversal of 120221222201 is 102222122021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111105555625 + 9115666576 = 333325^2 + 95476^2 .

It is a cyclic number.

It is not a de Polignac number, because 120221222201 - 2⁶ = 120221222137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120221222201.

It is not a weakly prime, because it can be changed into another prime (120221222291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60110611100 + 60110611101.

It is an arithmetic number, because the mean of its divisors is an integer number (60110611101).

Almost surely, 2^120221222201 is an apocalyptic number.

It is an amenable number.

120221222201 is a deficient number, since it is larger than the sum of its proper divisors (1).

120221222201 is an equidigital number, since it uses as much as digits as its factorization.

120221222201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 120221222201 its reverse (102222122021), we get a palindrome (222443344222).

The spelling of 120221222201 in words is "one hundred twenty billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred one".