10643334322021 has 4 divisors (see below), whose sum is σ = 10658137291200. Its totient is φ = 10628531352844.

The previous prime is 10643334322013. The next prime is 10643334322057. The reversal of 10643334322021 is 12022343334601.

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 10643334322021 - 2³ = 10643334322013 is a prime.

It is a super-2 number, since 2×10643334322021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10643334328021) 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, 7401483511 + ... + 7401484948.

It is an arithmetic number, because the mean of its divisors is an integer number (2664534322800).

Almost surely, 2^{10643334322021} is an apocalyptic number.

It is an amenable number.

10643334322021 is a deficient number, since it is larger than the sum of its proper divisors (14802969179).

10643334322021 is an equidigital number, since it uses as much as digits as its factorization.

10643334322021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14802969178.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 10643334322021 its reverse (12022343334601), we get a palindrome (22665677656622).

The spelling of 10643334322021 in words is "ten trillion, six hundred forty-three billion, three hundred thirty-four million, three hundred twenty-two thousand, twenty-one".