220221021111101 has 16 divisors (see below), whose sum is σ = 237215128381440. Its totient is φ = 203767780371120.

The previous prime is 220221021111071. The next prime is 220221021111107. The reversal of 220221021111101 is 101111120122022.

It is a cyclic number.

It is not a de Polignac number, because 220221021111101 - 2¹⁸ = 220221020848957 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 220221021111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220221021111107) 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 15 ways as a sum of consecutive naturals, for example, 8323526 + ... + 22577048.

It is an arithmetic number, because the mean of its divisors is an integer number (14825945523840).

Almost surely, 2^{220221021111101} is an apocalyptic number.

It is an amenable number.

220221021111101 is a deficient number, since it is larger than the sum of its proper divisors (16994107270339).

220221021111101 is a wasteful number, since it uses less digits than its factorization.

220221021111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14272496.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 220221021111101 its reverse (101111120122022), we get a palindrome (321332141233123).

The spelling of 220221021111101 in words is "two hundred twenty trillion, two hundred twenty-one billion, twenty-one million, one hundred eleven thousand, one hundred one".