120121222201 has 2 divisors, whose sum is σ = 120121222202. Its totient is φ = 120121222200.

The previous prime is 120121222181. The next prime is 120121222211. The reversal of 120121222201 is 102222121021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60671079225 + 59450142976 = 246315^2 + 243824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120121222201 is a prime.

It is not a weakly prime, because it can be changed into another prime (120121222211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60060611100 + 60060611101.

It is an arithmetic number, because the mean of its divisors is an integer number (60060611101).

Almost surely, 2^120121222201 is an apocalyptic number.

It is an amenable number.

120121222201 is a deficient number, since it is larger than the sum of its proper divisors (1).

120121222201 is an equidigital number, since it uses as much as digits as its factorization.

120121222201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120121222201 its reverse (102222121021), we get a palindrome (222343343222).

The spelling of 120121222201 in words is "one hundred twenty billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred one".