30120301021 has 8 divisors (see below), whose sum is σ = 32201717184. Its totient is φ = 28073288640.

The previous prime is 30120300871. The next prime is 30120301027. The reversal of 30120301021 is 12010302103.

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

It is not a de Polignac number, because 30120301021 - 2²⁵ = 30086746589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30120300992 and 30120301010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120301027) 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, 8599135 + ... + 8602636.

It is an arithmetic number, because the mean of its divisors is an integer number (4025214648).

Almost surely, 2^30120301021 is an apocalyptic number.

It is an amenable number.

30120301021 is a deficient number, since it is larger than the sum of its proper divisors (2081416163).

30120301021 is a wasteful number, since it uses less digits than its factorization.

30120301021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17201891.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30120301021 its reverse (12010302103), we get a palindrome (42130603124).

The spelling of 30120301021 in words is "thirty billion, one hundred twenty million, three hundred one thousand, twenty-one".