220111010220221 has 8 divisors (see below), whose sum is σ = 220130832190464. Its totient is φ = 220091189182480.

The previous prime is 220111010220217. The next prime is 220111010220247. The reversal of 220111010220221 is 122022010111022.

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 220111010220221 - 2² = 220111010220217 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 220111010220221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220111010220721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523438511 + ... + 523858851.

It is an arithmetic number, because the mean of its divisors is an integer number (27516354023808).

Almost surely, 2^{220111010220221} is an apocalyptic number.

It is an amenable number.

220111010220221 is a deficient number, since it is larger than the sum of its proper divisors (19821970243).

220111010220221 is a wasteful number, since it uses less digits than its factorization.

220111010220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466251.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 220111010220221 its reverse (122022010111022), we get a palindrome (342133020331243).

The spelling of 220111010220221 in words is "two hundred twenty trillion, one hundred eleven billion, ten million, two hundred twenty thousand, two hundred twenty-one".