122171120116 has 12 divisors (see below), whose sum is σ = 213812201988. Its totient is φ = 61081919552.

The previous prime is 122171120087. The next prime is 122171120129. The reversal of 122171120116 is 611021171221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 66484559716 + 55686560400 = 257846^2 + 235980^2 .

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 833911 + ... + 969406.

It is an arithmetic number, because the mean of its divisors is an integer number (17817683499).

Almost surely, 2^122171120116 is an apocalyptic number.

It is an amenable number.

122171120116 is a deficient number, since it is larger than the sum of its proper divisors (91641081872).

122171120116 is a wasteful number, since it uses less digits than its factorization.

122171120116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820258 (or 1820256 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 25.

Adding to 122171120116 its reverse (611021171221), we get a palindrome (733192291337).

The spelling of 122171120116 in words is "one hundred twenty-two billion, one hundred seventy-one million, one hundred twenty thousand, one hundred sixteen".