120142030251211 has 2 divisors, whose sum is σ = 120142030251212. Its totient is φ = 120142030251210.

The previous prime is 120142030251209. The next prime is 120142030251251. The reversal of 120142030251211 is 112152030241021.

It is a weak prime.

It is an emirp because it is prime and its reverse (112152030241021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120142030251211 - 2¹ = 120142030251209 is a prime.

Together with 120142030251209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (120142030251251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60071015125605 + 60071015125606.

It is an arithmetic number, because the mean of its divisors is an integer number (60071015125606).

Almost surely, 2^{120142030251211} is an apocalyptic number.

120142030251211 is a deficient number, since it is larger than the sum of its proper divisors (1).

120142030251211 is an equidigital number, since it uses as much as digits as its factorization.

120142030251211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 120142030251211 its reverse (112152030241021), we get a palindrome (232294060492232).

The spelling of 120142030251211 in words is "one hundred twenty trillion, one hundred forty-two billion, thirty million, two hundred fifty-one thousand, two hundred eleven".