121201010071 has 2 divisors, whose sum is σ = 121201010072. Its totient is φ = 121201010070.

The previous prime is 121201010027. The next prime is 121201010141. The reversal of 121201010071 is 170010102121.

It is a weak prime.

It is an emirp because it is prime and its reverse (170010102121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121201010071 - 2²³ = 121192621463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121201010171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600505035 + 60600505036.

It is an arithmetic number, because the mean of its divisors is an integer number (60600505036).

Almost surely, 2^121201010071 is an apocalyptic number.

121201010071 is a deficient number, since it is larger than the sum of its proper divisors (1).

121201010071 is an equidigital number, since it uses as much as digits as its factorization.

121201010071 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 16.

Adding to 121201010071 its reverse (170010102121), we get a palindrome (291211112192).

The spelling of 121201010071 in words is "one hundred twenty-one billion, two hundred one million, ten thousand, seventy-one".