21124404022230 has 48 divisors (see below), whose sum is σ = 54924309077040. Its totient is φ = 5633086342464.

The previous prime is 21124404022207. The next prime is 21124404022273. The reversal of 21124404022230 is 3222040442112.

It is a happy number.

21124404022230 is a `hidden beast` number, since 2 + 1 + 1 + 2 + 4 + 404 + 0 + 22 + 230 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 21124404022194 and 21124404022203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4058976 + ... + 7663164.

It is an arithmetic number, because the mean of its divisors is an integer number (1144256439105).

Almost surely, 2^{21124404022230} is an apocalyptic number.

21124404022230 is an abundant number, since it is smaller than the sum of its proper divisors (33799905054810).

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

21124404022230 is a wasteful number, since it uses less digits than its factorization.

21124404022230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3669325 (or 3669322 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 21124404022230 its reverse (3222040442112), we get a palindrome (24346444464342).

The spelling of 21124404022230 in words is "twenty-one trillion, one hundred twenty-four billion, four hundred four million, twenty-two thousand, two hundred thirty".