220001104221 has 8 divisors (see below), whose sum is σ = 293362419840. Its totient is φ = 146653595712.

The previous prime is 220001104181. The next prime is 220001104249. The reversal of 220001104221 is 122401100022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220001104221 - 2¹¹ = 220001102173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220001104221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220001104321) 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, 3414540 + ... + 3478373.

It is an arithmetic number, because the mean of its divisors is an integer number (36670302480).

Almost surely, 2^220001104221 is an apocalyptic number.

It is an amenable number.

220001104221 is a deficient number, since it is larger than the sum of its proper divisors (73361315619).

220001104221 is a wasteful number, since it uses less digits than its factorization.

220001104221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6903555.

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

Adding to 220001104221 its reverse (122401100022), we get a palindrome (342402204243).

The spelling of 220001104221 in words is "two hundred twenty billion, one million, one hundred four thousand, two hundred twenty-one".