21100222303 has 8 divisors (see below), whose sum is σ = 21291240096. Its totient is φ = 20909280000.

The previous prime is 21100222291. The next prime is 21100222321. The reversal of 21100222303 is 30322200112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21100222303 - 2¹⁷ = 21100091231 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 (21100222343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648678 + ... + 680428.

It is an arithmetic number, because the mean of its divisors is an integer number (2661405012).

Almost surely, 2^21100222303 is an apocalyptic number.

21100222303 is a deficient number, since it is larger than the sum of its proper divisors (191017793).

21100222303 is a wasteful number, since it uses less digits than its factorization.

21100222303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37745.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21100222303 its reverse (30322200112), we get a palindrome (51422422415).

The spelling of 21100222303 in words is "twenty-one billion, one hundred million, two hundred twenty-two thousand, three hundred three".