220222210121 has 8 divisors (see below), whose sum is σ = 225604811520. Its totient is φ = 214851479472.

The previous prime is 220222210093. The next prime is 220222210129. The reversal of 220222210121 is 121012222022.

It is a happy number.

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 220222210121 - 2²² = 220218015817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 220222210121.

It is not an unprimeable number, because it can be changed into a prime (220222210129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2930126 + ... + 3004343.

It is an arithmetic number, because the mean of its divisors is an integer number (28200601440).

Almost surely, 2^220222210121 is an apocalyptic number.

It is an amenable number.

220222210121 is a deficient number, since it is larger than the sum of its proper divisors (5382601399).

220222210121 is an equidigital number, since it uses as much as digits as its factorization.

220222210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5935375.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220222210121 its reverse (121012222022), we get a palindrome (341234432143).

The spelling of 220222210121 in words is "two hundred twenty billion, two hundred twenty-two million, two hundred ten thousand, one hundred twenty-one".