10320131202021 has 6 divisors (see below), whose sum is σ = 14906856180710. Its totient is φ = 6880087468008.

The previous prime is 10320131202013. The next prime is 10320131202047. The reversal of 10320131202021 is 12020213102301.

10320131202021 is a `hidden beast` number, since 10 + 320 + 1 + 312 + 0 + 2 + 0 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7246810160100 + 3073321041921 = 2691990^2 + 1753089^2 .

It is not a de Polignac number, because 10320131202021 - 2³ = 10320131202013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10320131201985 and 10320131202003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10320131202221) 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 5 ways as a sum of consecutive naturals, for example, 573340622326 + ... + 573340622343.

Almost surely, 2^{10320131202021} is an apocalyptic number.

It is an amenable number.

10320131202021 is a deficient number, since it is larger than the sum of its proper divisors (4586724978689).

10320131202021 is a wasteful number, since it uses less digits than its factorization.

10320131202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146681244675 (or 1146681244672 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 10320131202021 its reverse (12020213102301), we get a palindrome (22340344304322).

The spelling of 10320131202021 in words is "ten trillion, three hundred twenty billion, one hundred thirty-one million, two hundred two thousand, twenty-one".