21333303122 has 8 divisors (see below), whose sum is σ = 32151613872. Its totient is φ = 10616098500.

The previous prime is 21333303049. The next prime is 21333303127. The reversal of 21333303122 is 22130333312.

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

It is not an unprimeable number, because it can be changed into a prime (21333303127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25276004 + ... + 25276847.

It is an arithmetic number, because the mean of its divisors is an integer number (4018951734).

Almost surely, 2^21333303122 is an apocalyptic number.

21333303122 is a deficient number, since it is larger than the sum of its proper divisors (10818310750).

21333303122 is a wasteful number, since it uses less digits than its factorization.

21333303122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50553064.

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

Adding to 21333303122 its reverse (22130333312), we get a palindrome (43463636434).

The spelling of 21333303122 in words is "twenty-one billion, three hundred thirty-three million, three hundred three thousand, one hundred twenty-two".