221030030001 has 16 divisors (see below), whose sum is σ = 321513136128. Its totient is φ = 133951381200.

The previous prime is 221030029993. The next prime is 221030030029. The reversal of 221030030001 is 100030030122.

It is a happy number.

It is not a de Polignac number, because 221030030001 - 2³ = 221030029993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221030030201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 625600 + ... + 912926.

It is an arithmetic number, because the mean of its divisors is an integer number (20094571008).

Almost surely, 2^221030030001 is an apocalyptic number.

It is an amenable number.

221030030001 is a deficient number, since it is larger than the sum of its proper divisors (100483106127).

221030030001 is a wasteful number, since it uses less digits than its factorization.

221030030001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310652.

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

Adding to 221030030001 its reverse (100030030122), we get a palindrome (321060060123).

The spelling of 221030030001 in words is "two hundred twenty-one billion, thirty million, thirty thousand, one".