30202130320221 has 16 divisors (see below), whose sum is σ = 40342803948864. Its totient is φ = 20098106913024.

The previous prime is 30202130320211. The next prime is 30202130320259. The reversal of 30202130320221 is 12202303120203.

It is a happy number.

It is not a de Polignac number, because 30202130320221 - 2¹⁰ = 30202130319197 is a prime.

It is a super-2 number, since 2×30202130320221² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30202130320211) 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, 74731125 + ... + 75134181.

It is an arithmetic number, because the mean of its divisors is an integer number (2521425246804).

Almost surely, 2^{30202130320221} is an apocalyptic number.

It is an amenable number.

30202130320221 is a deficient number, since it is larger than the sum of its proper divisors (10140673628643).

30202130320221 is a wasteful number, since it uses less digits than its factorization.

30202130320221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448460.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30202130320221 its reverse (12202303120203), we get a palindrome (42404433440424).

The spelling of 30202130320221 in words is "thirty trillion, two hundred two billion, one hundred thirty million, three hundred twenty thousand, two hundred twenty-one".