10121311329 has 4 divisors (see below), whose sum is σ = 13495081776. Its totient is φ = 6747540884.

The previous prime is 10121311289. The next prime is 10121311331. The reversal of 10121311329 is 92311312101.

10121311329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 10121311329 - 2²⁴ = 10104534113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10121311299 and 10121311308.

It is not an unprimeable number, because it can be changed into a prime (10121311399) 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 3 ways as a sum of consecutive naturals, for example, 1686885219 + ... + 1686885224.

It is an arithmetic number, because the mean of its divisors is an integer number (3373770444).

Almost surely, 2^10121311329 is an apocalyptic number.

It is an amenable number.

10121311329 is a deficient number, since it is larger than the sum of its proper divisors (3373770447).

10121311329 is an equidigital number, since it uses as much as digits as its factorization.

10121311329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373770446.

The product of its (nonzero) digits is 324, while the sum is 24.

The spelling of 10121311329 in words is "ten billion, one hundred twenty-one million, three hundred eleven thousand, three hundred twenty-nine".