30010111012221 has 16 divisors (see below), whose sum is σ = 42168601675200. Its totient is φ = 18931637893248.

The previous prime is 30010111012159. The next prime is 30010111012247. The reversal of 30010111012221 is 12221011101003.

It is not a de Polignac number, because 30010111012221 - 2¹⁸ = 30010110750077 is a prime.

It is a super-2 number, since 2×30010111012221² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30010111012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30010111019221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307123366 + ... + 307221063.

It is an arithmetic number, because the mean of its divisors is an integer number (2635537604700).

Almost surely, 2^{30010111012221} is an apocalyptic number.

It is an amenable number.

30010111012221 is a deficient number, since it is larger than the sum of its proper divisors (12158490662979).

30010111012221 is a wasteful number, since it uses less digits than its factorization.

30010111012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614345308.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 30010111012221 its reverse (12221011101003), we get a palindrome (42231122113224).

The spelling of 30010111012221 in words is "thirty trillion, ten billion, one hundred eleven million, twelve thousand, two hundred twenty-one".