10500310545121 has 4 divisors (see below), whose sum is σ = 10561005981972. Its totient is φ = 10439615108272.

The previous prime is 10500310545073. The next prime is 10500310545143. The reversal of 10500310545121 is 12154501300501.

10500310545121 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.

It can be written as a sum of positive squares in 2 ways, for example, as 8027588890000 + 2472721655121 = 2833300^2 + 1572489^2 .

It is a cyclic number.

It is not a de Polignac number, because 10500310545121 - 2⁷ = 10500310544993 is a prime.

It is a super-2 number, since 2×10500310545121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10500310545121.

It is not an unprimeable number, because it can be changed into a prime (10500310545421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30347718166 + ... + 30347718511.

It is an arithmetic number, because the mean of its divisors is an integer number (2640251495493).

Almost surely, 2^{10500310545121} is an apocalyptic number.

It is an amenable number.

10500310545121 is a deficient number, since it is larger than the sum of its proper divisors (60695436851).

10500310545121 is an equidigital number, since it uses as much as digits as its factorization.

10500310545121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60695436850.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 10500310545121 its reverse (12154501300501), we get a palindrome (22654811845622).

The spelling of 10500310545121 in words is "ten trillion, five hundred billion, three hundred ten million, five hundred forty-five thousand, one hundred twenty-one".