120222011202121 has 2 divisors, whose sum is σ = 120222011202122. Its totient is φ = 120222011202120.

The previous prime is 120222011202119. The next prime is 120222011202169. The reversal of 120222011202121 is 121202110222021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104723703571600 + 15498307630521 = 10233460^2 + 3936789^2 .

It is a cyclic number.

It is not a de Polignac number, because 120222011202121 - 2¹ = 120222011202119 is a prime.

It is a super-4 number, since 4×120222011202121⁴ (a number of 57 digits) contains 4444 as substring.

Together with 120222011202119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (120222011200121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60111005601060 + 60111005601061.

It is an arithmetic number, because the mean of its divisors is an integer number (60111005601061).

Almost surely, 2^{120222011202121} is an apocalyptic number.

It is an amenable number.

120222011202121 is a deficient number, since it is larger than the sum of its proper divisors (1).

120222011202121 is an equidigital number, since it uses as much as digits as its factorization.

120222011202121 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 120222011202121 its reverse (121202110222021), we get a palindrome (241424121424142).

The spelling of 120222011202121 in words is "one hundred twenty trillion, two hundred twenty-two billion, eleven million, two hundred two thousand, one hundred twenty-one".