220122120000121 has 32 divisors (see below), whose sum is σ = 237377297203200. Its totient is φ = 203523215163840.

The previous prime is 220122120000091. The next prime is 220122120000127. The reversal of 220122120000121 is 121000021221022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 220122120000121 - 2⁵ = 220122120000089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220122120000095 and 220122120000104.

It is not an unprimeable number, because it can be changed into a prime (220122120000127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2592099700 + ... + 2592184618.

It is an arithmetic number, because the mean of its divisors is an integer number (7418040537600).

Almost surely, 2^{220122120000121} is an apocalyptic number.

It is an amenable number.

220122120000121 is a deficient number, since it is larger than the sum of its proper divisors (17255177203079).

220122120000121 is a wasteful number, since it uses less digits than its factorization.

220122120000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89149.

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

Adding to 220122120000121 its reverse (121000021221022), we get a palindrome (341122141221143).

The spelling of 220122120000121 in words is "two hundred twenty trillion, one hundred twenty-two billion, one hundred twenty million, one hundred twenty-one", and thus it is an aban number.