120000121211 has 2 divisors, whose sum is σ = 120000121212. Its totient is φ = 120000121210.

The previous prime is 120000121159. The next prime is 120000121229. The reversal of 120000121211 is 112121000021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120000121211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120000121192 and 120000121201.

It is not a weakly prime, because it can be changed into another prime (120000121291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60000060605 + 60000060606.

It is an arithmetic number, because the mean of its divisors is an integer number (60000060606).

Almost surely, 2^120000121211 is an apocalyptic number.

120000121211 is a deficient number, since it is larger than the sum of its proper divisors (1).

120000121211 is an equidigital number, since it uses as much as digits as its factorization.

120000121211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120000121211 its reverse (112121000021), we get a palindrome (232121121232).

The spelling of 120000121211 in words is "one hundred twenty billion, one hundred twenty-one thousand, two hundred eleven".