21022103333 has 16 divisors (see below), whose sum is σ = 26744265600. Its totient is φ = 16380856800.

The previous prime is 21022103309. The next prime is 21022103351. The reversal of 21022103333 is 33330122012.

It is not a de Polignac number, because 21022103333 - 2⁸ = 21022103077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21022103363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2782088 + ... + 2789633.

It is an arithmetic number, because the mean of its divisors is an integer number (1671516600).

Almost surely, 2^21022103333 is an apocalyptic number.

It is an amenable number.

21022103333 is a deficient number, since it is larger than the sum of its proper divisors (5722162267).

21022103333 is an equidigital number, since it uses as much as digits as its factorization.

21022103333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5571753 (or 5571739 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21022103333 its reverse (33330122012), we get a palindrome (54352225345).

The spelling of 21022103333 in words is "twenty-one billion, twenty-two million, one hundred three thousand, three hundred thirty-three".