10021433321021 has 4 divisors (see below), whose sum is σ = 10021446121344. Its totient is φ = 10021420520700.

The previous prime is 10021433321017. The next prime is 10021433321027. The reversal of 10021433321021 is 12012333412001.

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 10021433321021 - 2² = 10021433321017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021433321027) 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, 5143565 + ... + 6819026.

It is an arithmetic number, because the mean of its divisors is an integer number (2505361530336).

Almost surely, 2^{10021433321021} is an apocalyptic number.

It is an amenable number.

10021433321021 is a deficient number, since it is larger than the sum of its proper divisors (12800323).

10021433321021 is an equidigital number, since it uses as much as digits as its factorization.

10021433321021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12800322.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 10021433321021 its reverse (12012333412001), we get a palindrome (22033766733022).

The spelling of 10021433321021 in words is "ten trillion, twenty-one billion, four hundred thirty-three million, three hundred twenty-one thousand, twenty-one".