220222101200121 has 96 divisors (see below), whose sum is σ = 341257166315520. Its totient is φ = 141772019558400.

The previous prime is 220222101200117. The next prime is 220222101200159. The reversal of 220222101200121 is 121002101222022.

It is a happy number.

220222101200121 is a `hidden beast` number, since 2 + 20 + 222 + 101 + 200 + 121 = 666.

It is not a de Polignac number, because 220222101200121 - 2² = 220222101200117 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 220222101200094 and 220222101200103.

It is not an unprimeable number, because it can be changed into a prime (220222101200021) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 8609475510 + ... + 8609501088.

It is an arithmetic number, because the mean of its divisors is an integer number (3554762149120).

Almost surely, 2^{220222101200121} is an apocalyptic number.

It is an amenable number.

220222101200121 is a deficient number, since it is larger than the sum of its proper divisors (121035065115399).

220222101200121 is a wasteful number, since it uses less digits than its factorization.

220222101200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28049 (or 28037 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220222101200121 its reverse (121002101222022), we get a palindrome (341224202422143).

The spelling of 220222101200121 in words is "two hundred twenty trillion, two hundred twenty-two billion, one hundred one million, two hundred thousand, one hundred twenty-one".