221000330001 has 16 divisors (see below), whose sum is σ = 322149335040. Its totient is φ = 133650298320.

The previous prime is 221000329981. The next prime is 221000330009. The reversal of 221000330001 is 100033000122.

It is a happy number.

221000330001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 221000330001 - 2¹⁷ = 221000198929 is a prime.

It is a super-2 number, since 2×221000330001² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221000330009) 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 15 ways as a sum of consecutive naturals, for example, 7216881 + ... + 7247438.

It is an arithmetic number, because the mean of its divisors is an integer number (20134333440).

Almost surely, 2^221000330001 is an apocalyptic number.

It is an amenable number.

221000330001 is a deficient number, since it is larger than the sum of its proper divisors (101149005039).

221000330001 is a wasteful number, since it uses less digits than its factorization.

221000330001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14464796.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 221000330001 its reverse (100033000122), we get a palindrome (321033330123).

The spelling of 221000330001 in words is "two hundred twenty-one billion, three hundred thirty thousand, one".