21130202203224 has 16 divisors (see below), whose sum is σ = 52825505508120. Its totient is φ = 7043400734400.

The previous prime is 21130202203193. The next prime is 21130202203247. The reversal of 21130202203224 is 42230220203112.

21130202203224 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 880425091801 = 21130202203224 / (2 + 1 + 1 + 3 + 0 + 2 + 0 + 2 + 2 + 0 + 3 + 2 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 21130202203194 and 21130202203203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440212545877 + ... + 440212545924.

Almost surely, 2^{21130202203224} is an apocalyptic number.

21130202203224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

21130202203224 is an abundant number, since it is smaller than the sum of its proper divisors (31695303304896).

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

21130202203224 is a wasteful number, since it uses less digits than its factorization.

21130202203224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880425091810 (or 880425091806 counting only the distinct ones).

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

Adding to 21130202203224 its reverse (42230220203112), we get a palindrome (63360422406336).

The spelling of 21130202203224 in words is "twenty-one trillion, one hundred thirty billion, two hundred two million, two hundred three thousand, two hundred twenty-four".