21303133102 has 8 divisors (see below), whose sum is σ = 32985496512. Its totient is φ = 10307967600.

The previous prime is 21303133099. The next prime is 21303133121. The reversal of 21303133102 is 20133130312.

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

It is a self number, because there is not a number n which added to its sum of digits gives 21303133102.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 171799399 + ... + 171799522.

It is an arithmetic number, because the mean of its divisors is an integer number (4123187064).

Almost surely, 2^21303133102 is an apocalyptic number.

21303133102 is a deficient number, since it is larger than the sum of its proper divisors (11682363410).

21303133102 is a wasteful number, since it uses less digits than its factorization.

21303133102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343598954.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 21303133102 its reverse (20133130312), we get a palindrome (41436263414).

The spelling of 21303133102 in words is "twenty-one billion, three hundred three million, one hundred thirty-three thousand, one hundred two".