20122112000121 has 8 divisors (see below), whose sum is σ = 26941739917440. Its totient is φ = 13358612708112.

The previous prime is 20122112000083. The next prime is 20122112000129. The reversal of 20122112000121 is 12100021122102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20122112000121 - 2⁷ = 20122111999993 is a prime.

It is a super-3 number, since 3×20122112000121³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 20122112000121.

It is not an unprimeable number, because it can be changed into a prime (20122112000129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14032155490 + ... + 14032156923.

It is an arithmetic number, because the mean of its divisors is an integer number (3367717489680).

Almost surely, 2^{20122112000121} is an apocalyptic number.

It is an amenable number.

20122112000121 is a deficient number, since it is larger than the sum of its proper divisors (6819627917319).

20122112000121 is a wasteful number, since it uses less digits than its factorization.

20122112000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28064312655.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20122112000121 its reverse (12100021122102), we get a palindrome (32222133122223).

The spelling of 20122112000121 in words is "twenty trillion, one hundred twenty-two billion, one hundred twelve million, one hundred twenty-one", and thus it is an aban number.