220221202001 has 8 divisors (see below), whose sum is σ = 245447779680. Its totient is φ = 196358223168.

The previous prime is 220221201953. The next prime is 220221202009. The reversal of 220221202001 is 100202122022.

220221202001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 220221202001 - 2²² = 220217007697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220221202009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340899371 + ... + 340900016.

It is an arithmetic number, because the mean of its divisors is an integer number (30680972460).

Almost surely, 2^220221202001 is an apocalyptic number.

It is an amenable number.

220221202001 is a deficient number, since it is larger than the sum of its proper divisors (25226577679).

220221202001 is a wasteful number, since it uses less digits than its factorization.

220221202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681799423.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 220221202001 its reverse (100202122022), we get a palindrome (320423324023).

The spelling of 220221202001 in words is "two hundred twenty billion, two hundred twenty-one million, two hundred two thousand, one".