122001220109999 has 2 divisors, whose sum is σ = 122001220110000. Its totient is φ = 122001220109998.

The previous prime is 122001220109969. The next prime is 122001220110047. The reversal of 122001220109999 is 999901022100221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122001220109999 - 2³⁶ = 121932500633263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122001220109969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61000610054999 + 61000610055000.

It is an arithmetic number, because the mean of its divisors is an integer number (61000610055000).

Almost surely, 2^{122001220109999} is an apocalyptic number.

122001220109999 is a deficient number, since it is larger than the sum of its proper divisors (1).

122001220109999 is an equidigital number, since it uses as much as digits as its factorization.

122001220109999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 47.

The spelling of 122001220109999 in words is "one hundred twenty-two trillion, one billion, two hundred twenty million, one hundred nine thousand, nine hundred ninety-nine".