21341124104 has 16 divisors (see below), whose sum is σ = 40024133100. Its totient is φ = 10668021952.

The previous prime is 21341124089. The next prime is 21341124109. The reversal of 21341124104 is 40142114312.

It can be written as a sum of positive squares in 2 ways, for example, as 11835264100 + 9505860004 = 108790^2 + 97498^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 21341124104.

It is not an unprimeable number, because it can be changed into a prime (21341124109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281567 + ... + 349230.

Almost surely, 2^21341124104 is an apocalyptic number.

It is an amenable number.

21341124104 is a deficient number, since it is larger than the sum of its proper divisors (18683008996).

21341124104 is a wasteful number, since it uses less digits than its factorization.

21341124104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635032 (or 635028 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 21341124104 its reverse (40142114312), we get a palindrome (61483238416).

The spelling of 21341124104 in words is "twenty-one billion, three hundred forty-one million, one hundred twenty-four thousand, one hundred four".