220302101221 has 64 divisors (see below), whose sum is σ = 245672663040. Its totient is φ = 196944168960.

The previous prime is 220302101167. The next prime is 220302101231. The reversal of 220302101221 is 122101203022.

It is a happy number.

220302101221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 220302101221 - 2⁷ = 220302101093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220302101195 and 220302101204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220302101231) 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 63 ways as a sum of consecutive naturals, for example, 421227466 + ... + 421227988.

It is an arithmetic number, because the mean of its divisors is an integer number (3838635360).

Almost surely, 2^220302101221 is an apocalyptic number.

It is an amenable number.

220302101221 is a deficient number, since it is larger than the sum of its proper divisors (25370561819).

220302101221 is a wasteful number, since it uses less digits than its factorization.

220302101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 220302101221 its reverse (122101203022), we get a palindrome (342403304243).

The spelling of 220302101221 in words is "two hundred twenty billion, three hundred two million, one hundred one thousand, two hundred twenty-one".