120220009999 has 2 divisors, whose sum is σ = 120220010000. Its totient is φ = 120220009998.

The previous prime is 120220009979. The next prime is 120220010039. The reversal of 120220009999 is 999900022021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120220009999 - 2¹¹ = 120220007951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120220009979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60110004999 + 60110005000.

It is an arithmetic number, because the mean of its divisors is an integer number (60110005000).

Almost surely, 2^120220009999 is an apocalyptic number.

120220009999 is a deficient number, since it is larger than the sum of its proper divisors (1).

120220009999 is an equidigital number, since it uses as much as digits as its factorization.

120220009999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 43.

The spelling of 120220009999 in words is "one hundred twenty billion, two hundred twenty million, nine thousand, nine hundred ninety-nine".