21122333303 has 4 divisors (see below), whose sum is σ = 21212987328. Its totient is φ = 21031679280.

The previous prime is 21122333293. The next prime is 21122333317. The reversal of 21122333303 is 30333322112.

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

It is a cyclic number.

It is not a de Polignac number, because 21122333303 - 2²⁸ = 20853897847 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 (21122333333) 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 3 ways as a sum of consecutive naturals, for example, 45326663 + ... + 45327128.

It is an arithmetic number, because the mean of its divisors is an integer number (5303246832).

Almost surely, 2^21122333303 is an apocalyptic number.

21122333303 is a deficient number, since it is larger than the sum of its proper divisors (90654025).

21122333303 is an equidigital number, since it uses as much as digits as its factorization.

21122333303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90654024.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 21122333303 its reverse (30333322112), we get a palindrome (51455655415).

The spelling of 21122333303 in words is "twenty-one billion, one hundred twenty-two million, three hundred thirty-three thousand, three hundred three".