21126241130 has 32 divisors (see below), whose sum is σ = 39065590224. Its totient is φ = 8219874816.

The previous prime is 21126241079. The next prime is 21126241153. The reversal of 21126241130 is 3114262112.

It can be written as a sum of positive squares in 8 ways, for example, as 10582442641 + 10543798489 = 102871^2 + 102683^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21126241096 and 21126241105.

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, 2234894 + ... + 2244326.

Almost surely, 2^21126241130 is an apocalyptic number.

21126241130 is a deficient number, since it is larger than the sum of its proper divisors (17939349094).

21126241130 is a wasteful number, since it uses less digits than its factorization.

21126241130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15530.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 21126241130 in words is "twenty-one billion, one hundred twenty-six million, two hundred forty-one thousand, one hundred thirty".