10355330021 has 4 divisors (see below), whose sum is σ = 10356256044. Its totient is φ = 10354404000.

The previous prime is 10355330017. The next prime is 10355330023. The reversal of 10355330021 is 12003355301.

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

It can be written as a sum of positive squares in 2 ways, for example, as 800267521 + 9555062500 = 28289^2 + 97750^2 .

It is a cyclic number.

It is not a de Polignac number, because 10355330021 - 2² = 10355330017 is a prime.

It is a super-3 number, since 3×10355330021³ (a number of 31 digits) contains 333 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 (10355330023) 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, 446030 + ... + 468671.

It is an arithmetic number, because the mean of its divisors is an integer number (2589064011).

Almost surely, 2^10355330021 is an apocalyptic number.

It is an amenable number.

10355330021 is a deficient number, since it is larger than the sum of its proper divisors (926023).

10355330021 is an equidigital number, since it uses as much as digits as its factorization.

10355330021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926022.

The product of its (nonzero) digits is 1350, while the sum is 23.

Adding to 10355330021 its reverse (12003355301), we get a palindrome (22358685322).

The spelling of 10355330021 in words is "ten billion, three hundred fifty-five million, three hundred thirty thousand, twenty-one".