120012110102221 has 2 divisors, whose sum is σ = 120012110102222. Its totient is φ = 120012110102220.

The previous prime is 120012110102161. The next prime is 120012110102257. The reversal of 120012110102221 is 122201011210021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120011718260196 + 391842025 = 10954986^2 + 19795^2 .

It is a cyclic number.

It is not a de Polignac number, because 120012110102221 - 2¹¹ = 120012110100173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120012110102195 and 120012110102204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120012110102821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006055051110 + 60006055051111.

It is an arithmetic number, because the mean of its divisors is an integer number (60006055051111).

Almost surely, 2^{120012110102221} is an apocalyptic number.

It is an amenable number.

120012110102221 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012110102221 is an equidigital number, since it uses as much as digits as its factorization.

120012110102221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120012110102221 its reverse (122201011210021), we get a palindrome (242213121312242).

The spelling of 120012110102221 in words is "one hundred twenty trillion, twelve billion, one hundred ten million, one hundred two thousand, two hundred twenty-one".