220011100221 has 8 divisors (see below), whose sum is σ = 320016145824. Its totient is φ = 133340060720.

The previous prime is 220011100189. The next prime is 220011100223. The reversal of 220011100221 is 122001110022.

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 220011100221 - 2⁵ = 220011100189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220011100197 and 220011100206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220011100223) 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, 3333501486 + ... + 3333501551.

It is an arithmetic number, because the mean of its divisors is an integer number (40002018228).

Almost surely, 2^220011100221 is an apocalyptic number.

It is an amenable number.

220011100221 is a deficient number, since it is larger than the sum of its proper divisors (100005045603).

220011100221 is a wasteful number, since it uses less digits than its factorization.

220011100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6667003051.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 220011100221 its reverse (122001110022), we get a palindrome (342012210243).

The spelling of 220011100221 in words is "two hundred twenty billion, eleven million, one hundred thousand, two hundred twenty-one".