30112103121321 has 16 divisors (see below), whose sum is σ = 43237993198400. Its totient is φ = 18530481481920.

The previous prime is 30112103121313. The next prime is 30112103121341. The reversal of 30112103121321 is 12312130121103.

It is not a de Polignac number, because 30112103121321 - 2³ = 30112103121313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30112103121301) 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, 26090130 + ... + 27219828.

It is an arithmetic number, because the mean of its divisors is an integer number (2702374574900).

Almost surely, 2^{30112103121321} is an apocalyptic number.

It is an amenable number.

30112103121321 is a deficient number, since it is larger than the sum of its proper divisors (13125890077079).

30112103121321 is a wasteful number, since it uses less digits than its factorization.

30112103121321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813176.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 30112103121321 its reverse (12312130121103), we get a palindrome (42424233242424).

The spelling of 30112103121321 in words is "thirty trillion, one hundred twelve billion, one hundred three million, one hundred twenty-one thousand, three hundred twenty-one".