10021000333231 has 4 divisors (see below), whose sum is σ = 10049388436512. Its totient is φ = 9992612229952.

The previous prime is 10021000333133. The next prime is 10021000333243. The reversal of 10021000333231 is 13233300012001.

10021000333231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10021000333231 - 2¹¹ = 10021000331183 is a prime.

It is a super-2 number, since 2×10021000333231² (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 = 10021000333199 and 10021000333208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021000333271) 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, 14194051111 + ... + 14194051816.

It is an arithmetic number, because the mean of its divisors is an integer number (2512347109128).

Almost surely, 2^{10021000333231} is an apocalyptic number.

10021000333231 is a deficient number, since it is larger than the sum of its proper divisors (28388103281).

10021000333231 is an equidigital number, since it uses as much as digits as its factorization.

10021000333231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28388103280.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 10021000333231 its reverse (13233300012001), we get a palindrome (23254300345232).

The spelling of 10021000333231 in words is "ten trillion, twenty-one billion, three hundred thirty-three thousand, two hundred thirty-one".