220010122221 has 8 divisors (see below), whose sum is σ = 293357277024. Its totient is φ = 146668191120.

The previous prime is 220010122217. The next prime is 220010122309. The reversal of 220010122221 is 122221010022.

220010122221 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 not a de Polignac number, because 220010122221 - 2² = 220010122217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220010122221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220010122421) 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, 1206570 + ... + 1376891.

It is an arithmetic number, because the mean of its divisors is an integer number (36669659628).

Almost surely, 2^220010122221 is an apocalyptic number.

It is an amenable number.

220010122221 is a deficient number, since it is larger than the sum of its proper divisors (73347154803).

220010122221 is a wasteful number, since it uses less digits than its factorization.

220010122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611851.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220010122221 its reverse (122221010022), we get a palindrome (342231132243).

The spelling of 220010122221 in words is "two hundred twenty billion, ten million, one hundred twenty-two thousand, two hundred twenty-one".