21033330013003 has 16 divisors (see below), whose sum is σ = 27363519115776. Its totient is φ = 15677016157440.

The previous prime is 21033330012991. The next prime is 21033330013013. The reversal of 21033330013003 is 30031003333012.

It is not a de Polignac number, because 21033330013003 - 2⁹ = 21033330012491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21033330013013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5938261926 + ... + 5938265467.

It is an arithmetic number, because the mean of its divisors is an integer number (1710219944736).

Almost surely, 2^{21033330013003} is an apocalyptic number.

21033330013003 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

21033330013003 is a deficient number, since it is larger than the sum of its proper divisors (6330189102773).

21033330013003 is a wasteful number, since it uses less digits than its factorization.

21033330013003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11876527434.

The product of its (nonzero) digits is 1458, while the sum is 22.

Adding to 21033330013003 its reverse (30031003333012), we get a palindrome (51064333346015).

The spelling of 21033330013003 in words is "twenty-one trillion, thirty-three billion, three hundred thirty million, thirteen thousand, three".