10131301321021 has 8 divisors (see below), whose sum is σ = 10215247916664. Its totient is φ = 10047499587840.

The previous prime is 10131301321007. The next prime is 10131301321027. The reversal of 10131301321021 is 12012310313101.

It can be written as a sum of positive squares in 4 ways, for example, as 1503652275225 + 8627649045796 = 1226235^2 + 2937286^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10131301321021 - 2⁵ = 10131301320989 is a prime.

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 10131301321021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10131301321027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36075160 + ... + 36354913.

It is an arithmetic number, because the mean of its divisors is an integer number (1276905989583).

Almost surely, 2^{10131301321021} is an apocalyptic number.

It is an amenable number.

10131301321021 is a deficient number, since it is larger than the sum of its proper divisors (83946595643).

10131301321021 is a wasteful number, since it uses less digits than its factorization.

10131301321021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72431231.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 10131301321021 its reverse (12012310313101), we get a palindrome (22143611634122).

The spelling of 10131301321021 in words is "ten trillion, one hundred thirty-one billion, three hundred one million, three hundred twenty-one thousand, twenty-one".