121167996671 has 2 divisors, whose sum is σ = 121167996672. Its totient is φ = 121167996670.

The previous prime is 121167996637. The next prime is 121167996737. The reversal of 121167996671 is 176699761121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121167996671 - 2³⁴ = 103988127487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121167999671) 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, 60583998335 + 60583998336.

It is an arithmetic number, because the mean of its divisors is an integer number (60583998336).

Almost surely, 2^121167996671 is an apocalyptic number.

121167996671 is a deficient number, since it is larger than the sum of its proper divisors (1).

121167996671 is an equidigital number, since it uses as much as digits as its factorization.

121167996671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1714608, while the sum is 56.

The spelling of 121167996671 in words is "one hundred twenty-one billion, one hundred sixty-seven million, nine hundred ninety-six thousand, six hundred seventy-one".