10131042130021 has 4 divisors (see below), whose sum is σ = 10134656489632. Its totient is φ = 10127427770412.

The previous prime is 10131042129991. The next prime is 10131042130039. The reversal of 10131042130021 is 12003124013101.

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 10131042130021 - 2⁷ = 10131042129893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10131042130081) 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, 1807175601 + ... + 1807181206.

It is an arithmetic number, because the mean of its divisors is an integer number (2533664122408).

Almost surely, 2^{10131042130021} is an apocalyptic number.

It is an amenable number.

10131042130021 is a deficient number, since it is larger than the sum of its proper divisors (3614359611).

10131042130021 is an equidigital number, since it uses as much as digits as its factorization.

10131042130021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614359610.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 10131042130021 its reverse (12003124013101), we get a palindrome (22134166143122).

The spelling of 10131042130021 in words is "ten trillion, one hundred thirty-one billion, forty-two million, one hundred thirty thousand, twenty-one".