120216011 has 2 divisors, whose sum is σ = 120216012. Its totient is φ = 120216010.

The previous prime is 120216001. The next prime is 120216013. The reversal of 120216011 is 110612021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120216011 - 2⁶ = 120215947 is a prime.

Together with 120216013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120216013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60108005 + 60108006.

It is an arithmetic number, because the mean of its divisors is an integer number (60108006).

Almost surely, 2^120216011 is an apocalyptic number.

120216011 is a deficient number, since it is larger than the sum of its proper divisors (1).

120216011 is an equidigital number, since it uses as much as digits as its factorization.

120216011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 120216011 is about 10964.3062252018. The cubic root of 120216011 is about 493.5381979783.

Adding to 120216011 its reverse (110612021), we get a palindrome (230828032).

It can be divided in two parts, 12021 and 6011, that multiplied together give a triangular number (72258231 = T₁₂₀₂₁).

The spelling of 120216011 in words is "one hundred twenty million, two hundred sixteen thousand, eleven".