220103123221 has 8 divisors (see below), whose sum is σ = 223185463424. Its totient is φ = 217022600160.

The previous prime is 220103123173. The next prime is 220103123239. The reversal of 220103123221 is 122321301022.

220103123221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 220103123221 - 2¹⁷ = 220102992149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220103123021) 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 7 ways as a sum of consecutive naturals, for example, 209421 + ... + 695746.

It is an arithmetic number, because the mean of its divisors is an integer number (27898182928).

Almost surely, 2^220103123221 is an apocalyptic number.

It is an amenable number.

220103123221 is a deficient number, since it is larger than the sum of its proper divisors (3082340203).

220103123221 is an equidigital number, since it uses as much as digits as its factorization.

220103123221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908571.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 220103123221 its reverse (122321301022), we get a palindrome (342424424243).

The spelling of 220103123221 in words is "two hundred twenty billion, one hundred three million, one hundred twenty-three thousand, two hundred twenty-one".