21050144510130 has 24 divisors (see below), whose sum is σ = 54730375726572. Its totient is φ = 5613371869344.

The previous prime is 21050144510093. The next prime is 21050144510147. The reversal of 21050144510130 is 3101544105012.

21050144510130 is a `hidden beast` number, since 2 + 1 + 0 + 5 + 0 + 14 + 4 + 510 + 130 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20478059522361 + 572084987769 = 4525269^2 + 756363^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21050144510094 and 21050144510103.

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, 116945247189 + ... + 116945247368.

Almost surely, 2^{21050144510130} is an apocalyptic number.

21050144510130 is an abundant number, since it is smaller than the sum of its proper divisors (33680231216442).

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

21050144510130 is a wasteful number, since it uses less digits than its factorization.

21050144510130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233890494570 (or 233890494567 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 21050144510130 its reverse (3101544105012), we get a palindrome (24151688615142).

The spelling of 21050144510130 in words is "twenty-one trillion, fifty billion, one hundred forty-four million, five hundred ten thousand, one hundred thirty".