30001010221 has 16 divisors (see below), whose sum is σ = 36938861568. Its totient is φ = 23727715200.

The previous prime is 30001010189. The next prime is 30001010231. The reversal of 30001010221 is 12201010003.

It is not a de Polignac number, because 30001010221 - 2⁵ = 30001010189 is a prime.

It is a super-2 number, since 2×30001010221² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30001010198 and 30001010207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30001010231) 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, 172161 + ... + 299401.

It is an arithmetic number, because the mean of its divisors is an integer number (2308678848).

Almost surely, 2^30001010221 is an apocalyptic number.

It is an amenable number.

30001010221 is a deficient number, since it is larger than the sum of its proper divisors (6937851347).

30001010221 is a wasteful number, since it uses less digits than its factorization.

30001010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129852.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 30001010221 its reverse (12201010003), we get a palindrome (42202020224).

The spelling of 30001010221 in words is "thirty billion, one million, ten thousand, two hundred twenty-one".