120020011 has 2 divisors, whose sum is σ = 120020012. Its totient is φ = 120020010.

The previous prime is 120019987. The next prime is 120020027. The reversal of 120020011 is 110020021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120020011 - 2⁹ = 120019499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120019976 and 120020003.

It is not a weakly prime, because it can be changed into another prime (120020111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010005 + 60010006.

It is an arithmetic number, because the mean of its divisors is an integer number (60010006).

Almost surely, 2^120020011 is an apocalyptic number.

120020011 is a deficient number, since it is larger than the sum of its proper divisors (1).

120020011 is an equidigital number, since it uses as much as digits as its factorization.

120020011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 120020011 is about 10955.3644850365. The cubic root of 120020011 is about 493.2698307699.

Adding to 120020011 its reverse (110020021), we get a palindrome (230040032).

The spelling of 120020011 in words is "one hundred twenty million, twenty thousand, eleven".