10021535434343 has 4 divisors (see below), whose sum is σ = 10021544809848. Its totient is φ = 10021526058840.

The previous prime is 10021535434331. The next prime is 10021535434363. The reversal of 10021535434343 is 34343453512001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10021535434343 - 2¹⁶ = 10021535368807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021535434297 and 10021535434306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021535434363) 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, 2842196 + ... + 5302937.

It is an arithmetic number, because the mean of its divisors is an integer number (2505386202462).

Almost surely, 2^{10021535434343} is an apocalyptic number.

10021535434343 is a deficient number, since it is larger than the sum of its proper divisors (9375505).

10021535434343 is an equidigital number, since it uses as much as digits as its factorization.

10021535434343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9375504.

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 10021535434343 its reverse (34343453512001), we get a palindrome (44364988946344).

The spelling of 10021535434343 in words is "ten trillion, twenty-one billion, five hundred thirty-five million, four hundred thirty-four thousand, three hundred forty-three".