122001222110020 has 96 divisors (see below), whose sum is σ = 295949610544896. Its totient is φ = 41752299110400.

The previous prime is 122001222109981. The next prime is 122001222110069. The reversal of 122001222110020 is 20011222100221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 122001222109976 and 122001222110003.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73383289 + ... + 75027391.

It is an arithmetic number, because the mean of its divisors is an integer number (3082808443176).

Almost surely, 2^{122001222110020} is an apocalyptic number.

122001222110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122001222110020 is an abundant number, since it is smaller than the sum of its proper divisors (173948388434876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122001222110020 is a wasteful number, since it uses less digits than its factorization.

122001222110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663981 (or 1663979 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122001222110020 its reverse (20011222100221), we get a palindrome (142012444210241).

The spelling of 122001222110020 in words is "one hundred twenty-two trillion, one billion, two hundred twenty-two million, one hundred ten thousand, twenty".