10030121021 has 16 divisors (see below), whose sum is σ = 10485780480. Its totient is φ = 9583052160.

The previous prime is 10030120999. The next prime is 10030121039. The reversal of 10030121021 is 12012103001.

10030121021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10030121021 - 2¹⁰ = 10030119997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10030120993 and 10030121011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10030123021) 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, 2130356 + ... + 2135058.

It is an arithmetic number, because the mean of its divisors is an integer number (655361280).

Almost surely, 2^10030121021 is an apocalyptic number.

It is an amenable number.

10030121021 is a deficient number, since it is larger than the sum of its proper divisors (455659459).

10030121021 is an equidigital number, since it uses as much as digits as its factorization.

10030121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5596.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10030121021 its reverse (12012103001), we get a palindrome (22042224022).

The spelling of 10030121021 in words is "ten billion, thirty million, one hundred twenty-one thousand, twenty-one".