120020011999 has 2 divisors, whose sum is σ = 120020012000. Its totient is φ = 120020011998.

The previous prime is 120020011997. The next prime is 120020012071. The reversal of 120020011999 is 999110020021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120020011999 - 2¹ = 120020011997 is a prime.

Together with 120020011997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120020011997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010005999 + 60010006000.

It is an arithmetic number, because the mean of its divisors is an integer number (60010006000).

Almost surely, 2^120020011999 is an apocalyptic number.

120020011999 is a deficient number, since it is larger than the sum of its proper divisors (1).

120020011999 is an equidigital number, since it uses as much as digits as its factorization.

120020011999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 34.

The spelling of 120020011999 in words is "one hundred twenty billion, twenty million, eleven thousand, nine hundred ninety-nine".