10030003121 has 4 divisors (see below), whose sum is σ = 10034271744. Its totient is φ = 10025734500.

The previous prime is 10030003103. The next prime is 10030003153. The reversal of 10030003121 is 12130003001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12130003001 = 1489 ⋅8146409.

It is a cyclic number.

It is not a de Polignac number, because 10030003121 - 2¹⁸ = 10029740977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10030003171) 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 3 ways as a sum of consecutive naturals, for example, 2130785 + ... + 2135486.

It is an arithmetic number, because the mean of its divisors is an integer number (2508567936).

Almost surely, 2^10030003121 is an apocalyptic number.

It is an amenable number.

10030003121 is a deficient number, since it is larger than the sum of its proper divisors (4268623).

10030003121 is an equidigital number, since it uses as much as digits as its factorization.

10030003121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4268622.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 10030003121 its reverse (12130003001), we get a palindrome (22160006122).

The spelling of 10030003121 in words is "ten billion, thirty million, three thousand, one hundred twenty-one".