220000010221 has 8 divisors (see below), whose sum is σ = 229323520800. Its totient is φ = 210792319920.

The previous prime is 220000010183. The next prime is 220000010231. The reversal of 220000010221 is 122010000022.

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 220000010221 - 2⁹ = 220000009709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220000010198 and 220000010207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220000010231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28951191 + ... + 28958788.

It is an arithmetic number, because the mean of its divisors is an integer number (28665440100).

Almost surely, 2^220000010221 is an apocalyptic number.

It is an amenable number.

220000010221 is a deficient number, since it is larger than the sum of its proper divisors (9323510579).

220000010221 is a wasteful number, since it uses less digits than its factorization.

220000010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57910139.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 220000010221 its reverse (122010000022), we get a palindrome (342010010243).

The spelling of 220000010221 in words is "two hundred twenty billion, ten thousand, two hundred twenty-one".