220122122201 has 8 divisors (see below), whose sum is σ = 223769637480. Its totient is φ = 216491692032.

The previous prime is 220122122191. The next prime is 220122122243. The reversal of 220122122201 is 102221221022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4083082201 + 216039040000 = 63899^2 + 464800^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220122122201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220122122201.

It is not an unprimeable number, because it can be changed into a prime (220122121201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4245296 + ... + 4296833.

It is an arithmetic number, because the mean of its divisors is an integer number (27971204685).

Almost surely, 2^220122122201 is an apocalyptic number.

It is an amenable number.

220122122201 is a deficient number, since it is larger than the sum of its proper divisors (3647515279).

220122122201 is an equidigital number, since it uses as much as digits as its factorization.

220122122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8542555.

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

Adding to 220122122201 its reverse (102221221022), we get a palindrome (322343343223).

The spelling of 220122122201 in words is "two hundred twenty billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred one".