220221200001 has 16 divisors (see below), whose sum is σ = 323156456640. Its totient is φ = 132286264320.

The previous prime is 220221199997. The next prime is 220221200011. The reversal of 220221200001 is 100002122022.

It is not a de Polignac number, because 220221200001 - 2² = 220221199997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220221200001.

It is not an unprimeable number, because it can be changed into a prime (220221200011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29524456 + ... + 29531913.

It is an arithmetic number, because the mean of its divisors is an integer number (20197278540).

Almost surely, 2^220221200001 is an apocalyptic number.

It is an amenable number.

220221200001 is a deficient number, since it is larger than the sum of its proper divisors (102935256639).

220221200001 is a wasteful number, since it uses less digits than its factorization.

220221200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59056496.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 220221200001 its reverse (100002122022), we get a palindrome (320223322023).

The spelling of 220221200001 in words is "two hundred twenty billion, two hundred twenty-one million, two hundred thousand, one".