10021312131021 has 12 divisors (see below), whose sum is σ = 14783212222272. Its totient is φ = 6538728482376.

The previous prime is 10021312130993. The next prime is 10021312131037. The reversal of 10021312131021 is 12013121312001.

10021312131021 is a `hidden beast` number, since 1 + 0 + 0 + 21 + 312 + 1 + 310 + 21 = 666.

It is not a de Polignac number, because 10021312131021 - 2¹⁵ = 10021312098253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10021312130985 and 10021312131003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021312331021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11845522191 + ... + 11845523036.

It is an arithmetic number, because the mean of its divisors is an integer number (1231934351856).

Almost surely, 2^{10021312131021} is an apocalyptic number.

It is an amenable number.

10021312131021 is a deficient number, since it is larger than the sum of its proper divisors (4761900091251).

10021312131021 is a wasteful number, since it uses less digits than its factorization.

10021312131021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23691045280 (or 23691045277 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 10021312131021 its reverse (12013121312001), we get a palindrome (22034433443022).

The spelling of 10021312131021 in words is "ten trillion, twenty-one billion, three hundred twelve million, one hundred thirty-one thousand, twenty-one".