120002121100987 has 2 divisors, whose sum is σ = 120002121100988. Its totient is φ = 120002121100986.

The previous prime is 120002121100973. The next prime is 120002121100999. The reversal of 120002121100987 is 789001121200021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120002121100987 - 2⁴³ = 111206028078779 is a prime.

It is not a weakly prime, because it can be changed into another prime (120002121100937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60001060550493 + 60001060550494.

It is an arithmetic number, because the mean of its divisors is an integer number (60001060550494).

Almost surely, 2^{120002121100987} is an apocalyptic number.

120002121100987 is a deficient number, since it is larger than the sum of its proper divisors (1).

120002121100987 is an equidigital number, since it uses as much as digits as its factorization.

120002121100987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 34.

The spelling of 120002121100987 in words is "one hundred twenty trillion, two billion, one hundred twenty-one million, one hundred thousand, nine hundred eighty-seven".