20222112202121 has 8 divisors (see below), whose sum is σ = 20313687069984. Its totient is φ = 20130559182720.

The previous prime is 20222112202109. The next prime is 20222112202199. The reversal of 20222112202121 is 12120221122202.

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

It is a cyclic number.

It is not a de Polignac number, because 20222112202121 - 2⁶ = 20222112202057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20222112202093 and 20222112202102.

It is not an unprimeable number, because it can be changed into a prime (20222112208121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3605375 + ... + 7310468.

It is an arithmetic number, because the mean of its divisors is an integer number (2539210883748).

Almost surely, 2^{20222112202121} is an apocalyptic number.

It is an amenable number.

20222112202121 is a deficient number, since it is larger than the sum of its proper divisors (91574867863).

20222112202121 is a wasteful number, since it uses less digits than its factorization.

20222112202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10924231.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20222112202121 its reverse (12120221122202), we get a palindrome (32342333324323).

The spelling of 20222112202121 in words is "twenty trillion, two hundred twenty-two billion, one hundred twelve million, two hundred two thousand, one hundred twenty-one".