120102021983 has 2 divisors, whose sum is σ = 120102021984. Its totient is φ = 120102021982.

The previous prime is 120102021973. The next prime is 120102022057. The reversal of 120102021983 is 389120201021.

It is a weak prime.

It is an emirp because it is prime and its reverse (389120201021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120102021983 - 2⁴ = 120102021967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120102021953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60051010991 + 60051010992.

It is an arithmetic number, because the mean of its divisors is an integer number (60051010992).

Almost surely, 2^120102021983 is an apocalyptic number.

120102021983 is a deficient number, since it is larger than the sum of its proper divisors (1).

120102021983 is an equidigital number, since it uses as much as digits as its factorization.

120102021983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 120102021983 in words is "one hundred twenty billion, one hundred two million, twenty-one thousand, nine hundred eighty-three".