120120222212021 has 2 divisors, whose sum is σ = 120120222212022. Its totient is φ = 120120222212020.

The previous prime is 120120222211991. The next prime is 120120222212033. The reversal of 120120222212021 is 120212222021021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114259295937796 + 5860926274225 = 10689214^2 + 2420935^2 .

It is a cyclic number.

It is not a de Polignac number, because 120120222212021 - 2¹⁴ = 120120222195637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120120222211984 and 120120222212002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120120222212821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60060111106010 + 60060111106011.

It is an arithmetic number, because the mean of its divisors is an integer number (60060111106011).

Almost surely, 2^{120120222212021} is an apocalyptic number.

It is an amenable number.

120120222212021 is a deficient number, since it is larger than the sum of its proper divisors (1).

120120222212021 is an equidigital number, since it uses as much as digits as its factorization.

120120222212021 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 20.

Adding to 120120222212021 its reverse (120212222021021), we get a palindrome (240332444233042).

The spelling of 120120222212021 in words is "one hundred twenty trillion, one hundred twenty billion, two hundred twenty-two million, two hundred twelve thousand, twenty-one".