10333033021 has 4 divisors (see below), whose sum is σ = 10336978044. Its totient is φ = 10329088000.

The previous prime is 10333032989. The next prime is 10333033043. The reversal of 10333033021 is 12033033301.

10333033021 is digitally balanced in base 3, 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, and also an emirpimes, since its reverse is a distinct semiprime: 12033033301 = 61 ⋅197262841.

It can be written as a sum of positive squares in 2 ways, for example, as 5679883225 + 4653149796 = 75365^2 + 68214^2 .

It is a cyclic number.

It is not a de Polignac number, because 10333033021 - 2⁵ = 10333032989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10333033021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10333033091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1968580 + ... + 1973821.

It is an arithmetic number, because the mean of its divisors is an integer number (2584244511).

Almost surely, 2^10333033021 is an apocalyptic number.

It is an amenable number.

10333033021 is a deficient number, since it is larger than the sum of its proper divisors (3945023).

10333033021 is an equidigital number, since it uses as much as digits as its factorization.

10333033021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945022.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 10333033021 its reverse (12033033301), we get a palindrome (22366066322).

It can be divided in two parts, 1033303 and 3021, that added together give a square (1036324 = 1018²).

The spelling of 10333033021 in words is "ten billion, three hundred thirty-three million, thirty-three thousand, twenty-one".