30112144221 has 8 divisors (see below), whose sum is σ = 41444671744. Its totient is φ = 19427189760.

The previous prime is 30112144213. The next prime is 30112144261. The reversal of 30112144221 is 12244121103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30112144221 - 2³ = 30112144213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30112144261) 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 7 ways as a sum of consecutive naturals, for example, 161893156 + ... + 161893341.

It is an arithmetic number, because the mean of its divisors is an integer number (5180583968).

Almost surely, 2^30112144221 is an apocalyptic number.

30112144221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30112144221 is a deficient number, since it is larger than the sum of its proper divisors (11332527523).

30112144221 is a wasteful number, since it uses less digits than its factorization.

30112144221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323786531.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 30112144221 its reverse (12244121103), we get a palindrome (42356265324).

The spelling of 30112144221 in words is "thirty billion, one hundred twelve million, one hundred forty-four thousand, two hundred twenty-one".