10033321021 has 8 divisors (see below), whose sum is σ = 10283993280. Its totient is φ = 9783436992.

The previous prime is 10033321019. The next prime is 10033321037. The reversal of 10033321021 is 12012333001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10033321021 - 2¹ = 10033321019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10033320986 and 10033321004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10033321061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171241 + ... + 222238.

It is an arithmetic number, because the mean of its divisors is an integer number (1285499160).

Almost surely, 2^10033321021 is an apocalyptic number.

It is an amenable number.

10033321021 is a deficient number, since it is larger than the sum of its proper divisors (250672259).

10033321021 is an equidigital number, since it uses as much as digits as its factorization.

10033321021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394115.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 10033321021 its reverse (12012333001), we get a palindrome (22045654022).

The spelling of 10033321021 in words is "ten billion, thirty-three million, three hundred twenty-one thousand, twenty-one".