21110415324 has 36 divisors (see below), whose sum is σ = 51014769624. Its totient is φ = 6794153408.

The previous prime is 21110415317. The next prime is 21110415343. The reversal of 21110415324 is 42351401112.

It is a junction number, because it is equal to n+sod(n) for n = 21110415294 and 21110415303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1035807 + ... + 1055990.

It is an arithmetic number, because the mean of its divisors is an integer number (1417076934).

Almost surely, 2^21110415324 is an apocalyptic number.

It is an amenable number.

21110415324 is an abundant number, since it is smaller than the sum of its proper divisors (29904354300).

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

21110415324 is a wasteful number, since it uses less digits than its factorization.

21110415324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091862 (or 2091831 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 21110415324 its reverse (42351401112), we get a palindrome (63461816436).

The spelling of 21110415324 in words is "twenty-one billion, one hundred ten million, four hundred fifteen thousand, three hundred twenty-four".