30210013021 has 16 divisors (see below), whose sum is σ = 32117184000. Its totient is φ = 28354133808.

The previous prime is 30210013007. The next prime is 30210013027. The reversal of 30210013021 is 12031001203.

It is a cyclic number.

It is not a de Polignac number, because 30210013021 - 2²³ = 30201624413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30210012992 and 30210013010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30210013027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 721930 + ... + 762628.

It is an arithmetic number, because the mean of its divisors is an integer number (2007324000).

Almost surely, 2^30210013021 is an apocalyptic number.

It is an amenable number.

30210013021 is a deficient number, since it is larger than the sum of its proper divisors (1907170979).

30210013021 is a wasteful number, since it uses less digits than its factorization.

30210013021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41328.

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

Adding to 30210013021 its reverse (12031001203), we get a palindrome (42241014224).

The spelling of 30210013021 in words is "thirty billion, two hundred ten million, thirteen thousand, twenty-one".