21103201022333 has 4 divisors (see below), whose sum is σ = 21830897609340. Its totient is φ = 20375504435328.

The previous prime is 21103201022317. The next prime is 21103201022377. The reversal of 21103201022333 is 33322010230112.

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 11954257845049 + 9148943177284 = 3457493^2 + 3024722^2 .

It is a cyclic number.

It is not a de Polignac number, because 21103201022333 - 2⁴ = 21103201022317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21103201022299 and 21103201022308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21103201022633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363848293460 + ... + 363848293517.

It is an arithmetic number, because the mean of its divisors is an integer number (5457724402335).

Almost surely, 2^{21103201022333} is an apocalyptic number.

It is an amenable number.

21103201022333 is a deficient number, since it is larger than the sum of its proper divisors (727696587007).

21103201022333 is an equidigital number, since it uses as much as digits as its factorization.

21103201022333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727696587006.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21103201022333 its reverse (33322010230112), we get a palindrome (54425211252445).

The spelling of 21103201022333 in words is "twenty-one trillion, one hundred three billion, two hundred one million, twenty-two thousand, three hundred thirty-three".