106563220221 has 8 divisors (see below), whose sum is σ = 145924409824. Its totient is φ = 69122088720.

The previous prime is 106563220219. The next prime is 106563220249. The reversal of 106563220221 is 122022365601.

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

It is not a de Polignac number, because 106563220221 - 2¹ = 106563220219 is a prime.

It is a super-2 number, since 2×106563220221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106563220321) 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, 480014395 + ... + 480014616.

It is an arithmetic number, because the mean of its divisors is an integer number (18240551228).

Almost surely, 2^106563220221 is an apocalyptic number.

It is an amenable number.

106563220221 is a deficient number, since it is larger than the sum of its proper divisors (39361189603).

106563220221 is an equidigital number, since it uses as much as digits as its factorization.

106563220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960029051.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 106563220221 its reverse (122022365601), we get a palindrome (228585585822).

The spelling of 106563220221 in words is "one hundred six billion, five hundred sixty-three million, two hundred twenty thousand, two hundred twenty-one".