10301031011021 has 4 divisors (see below), whose sum is σ = 10306107913500. Its totient is φ = 10295954108544.

The previous prime is 10301031011009. The next prime is 10301031011099. The reversal of 10301031011021 is 12011013010301.

It is a happy number.

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 9145967092900 + 1155063918121 = 3024230^2 + 1074739^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10301031011021 is a prime.

It is a super-2 number, since 2×10301031011021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10301031010987 and 10301031011005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10301031011521) 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 3 ways as a sum of consecutive naturals, for example, 2538448196 + ... + 2538452253.

It is an arithmetic number, because the mean of its divisors is an integer number (2576526978375).

Almost surely, 2^{10301031011021} is an apocalyptic number.

It is an amenable number.

10301031011021 is a deficient number, since it is larger than the sum of its proper divisors (5076902479).

10301031011021 is an equidigital number, since it uses as much as digits as its factorization.

10301031011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5076902478.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 10301031011021 its reverse (12011013010301), we get a palindrome (22312044021322).

The spelling of 10301031011021 in words is "ten trillion, three hundred one billion, thirty-one million, eleven thousand, twenty-one".