120181011971 has 2 divisors, whose sum is σ = 120181011972. Its totient is φ = 120181011970.

The previous prime is 120181011959. The next prime is 120181011991. The reversal of 120181011971 is 179110181021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120181011971 - 2³⁰ = 119107270147 is a prime.

It is not a weakly prime, because it can be changed into another prime (120181011911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60090505985 + 60090505986.

It is an arithmetic number, because the mean of its divisors is an integer number (60090505986).

Almost surely, 2^120181011971 is an apocalyptic number.

120181011971 is a deficient number, since it is larger than the sum of its proper divisors (1).

120181011971 is an equidigital number, since it uses as much as digits as its factorization.

120181011971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 32.

Adding to 120181011971 its reverse (179110181021), we get a palindrome (299291192992).

The spelling of 120181011971 in words is "one hundred twenty billion, one hundred eighty-one million, eleven thousand, nine hundred seventy-one".