122228021917471 has 2 divisors, whose sum is σ = 122228021917472. Its totient is φ = 122228021917470.

The previous prime is 122228021917399. The next prime is 122228021917537. The reversal of 122228021917471 is 174719120822221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122228021917471 - 2⁷ = 122228021917343 is a prime.

It is a super-3 number, since 3×122228021917471³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122228021917271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61114010958735 + 61114010958736.

It is an arithmetic number, because the mean of its divisors is an integer number (61114010958736).

Almost surely, 2^{122228021917471} is an apocalyptic number.

122228021917471 is a deficient number, since it is larger than the sum of its proper divisors (1).

122228021917471 is an equidigital number, since it uses as much as digits as its factorization.

122228021917471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 451584, while the sum is 49.

The spelling of 122228021917471 in words is "one hundred twenty-two trillion, two hundred twenty-eight billion, twenty-one million, nine hundred seventeen thousand, four hundred seventy-one".