21224223002130 has 32 divisors (see below), whose sum is σ = 51122027409984. Its totient is φ = 5639360333376.

The previous prime is 21224223002083. The next prime is 21224223002141. The reversal of 21224223002130 is 3120032242212.

It is a self number, because there is not a number n which added to its sum of digits gives 21224223002130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1277020752 + ... + 1277037371.

It is an arithmetic number, because the mean of its divisors is an integer number (1597563356562).

Almost surely, 2^{21224223002130} is an apocalyptic number.

21224223002130 is an abundant number, since it is smaller than the sum of its proper divisors (29897804407854).

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

21224223002130 is a wasteful number, since it uses less digits than its factorization.

21224223002130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554058410.

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

Adding to 21224223002130 its reverse (3120032242212), we get a palindrome (24344255244342).

The spelling of 21224223002130 in words is "twenty-one trillion, two hundred twenty-four billion, two hundred twenty-three million, two thousand, one hundred thirty".