120121110071 has 2 divisors, whose sum is σ = 120121110072. Its totient is φ = 120121110070.

The previous prime is 120121109981. The next prime is 120121110073. The reversal of 120121110071 is 170011121021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120121110071 is a prime.

Together with 120121110073, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120121110073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60060555035 + 60060555036.

It is an arithmetic number, because the mean of its divisors is an integer number (60060555036).

Almost surely, 2^120121110071 is an apocalyptic number.

120121110071 is a deficient number, since it is larger than the sum of its proper divisors (1).

120121110071 is an equidigital number, since it uses as much as digits as its factorization.

120121110071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 17.

Adding to 120121110071 its reverse (170011121021), we get a palindrome (290132231092).

The spelling of 120121110071 in words is "one hundred twenty billion, one hundred twenty-one million, one hundred ten thousand, seventy-one".