220221122201 has 4 divisors (see below), whose sum is σ = 231811707600. Its totient is φ = 208630536804.

The previous prime is 220221122183. The next prime is 220221122227. The reversal of 220221122201 is 102221122022.

It is a happy number.

220221122201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102221122022 = 2 ⋅51110561011.

It is a cyclic number.

It is not a de Polignac number, because 220221122201 - 2⁶ = 220221122137 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 220221122201.

It is not an unprimeable number, because it can be changed into a prime (220221122281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5795292671 + ... + 5795292708.

It is an arithmetic number, because the mean of its divisors is an integer number (57952926900).

Almost surely, 2^220221122201 is an apocalyptic number.

It is an amenable number.

220221122201 is a deficient number, since it is larger than the sum of its proper divisors (11590585399).

220221122201 is a wasteful number, since it uses less digits than its factorization.

220221122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11590585398.

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

Adding to 220221122201 its reverse (102221122022), we get a palindrome (322442244223).

The spelling of 220221122201 in words is "two hundred twenty billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred one".