21344034102 has 8 divisors (see below), whose sum is σ = 42688068216. Its totient is φ = 7114678032.

The previous prime is 21344034079. The next prime is 21344034149. The reversal of 21344034102 is 20143044312.

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

21344034102 is an admirable number.

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, 1778669503 + ... + 1778669514.

It is an arithmetic number, because the mean of its divisors is an integer number (5336008527).

Almost surely, 2^21344034102 is an apocalyptic number.

21344034102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21344034102 is a wasteful number, since it uses less digits than its factorization.

21344034102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3557339022.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 21344034102 its reverse (20143044312), we get a palindrome (41487078414).

The spelling of 21344034102 in words is "twenty-one billion, three hundred forty-four million, thirty-four thousand, one hundred two".