21301210202324 has 24 divisors (see below), whose sum is σ = 40145550600960. Its totient is φ = 9831092158944.

The previous prime is 21301210202243. The next prime is 21301210202351. The reversal of 21301210202324 is 42320201210312.

It is a self number, because there is not a number n which added to its sum of digits gives 21301210202324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2708984 + ... + 7066895.

It is an arithmetic number, because the mean of its divisors is an integer number (1672731275040).

Almost surely, 2^{21301210202324} is an apocalyptic number.

It is an amenable number.

21301210202324 is a deficient number, since it is larger than the sum of its proper divisors (18844340398636).

21301210202324 is a wasteful number, since it uses less digits than its factorization.

21301210202324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9817799 (or 9817797 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21301210202324 its reverse (42320201210312), we get a palindrome (63621411412636).

The spelling of 21301210202324 in words is "twenty-one trillion, three hundred one billion, two hundred ten million, two hundred two thousand, three hundred twenty-four".