21130213030113 has 24 divisors (see below), whose sum is σ = 30993016872384. Its totient is φ = 12795718318240.

The previous prime is 21130213030097. The next prime is 21130213030139. The reversal of 21130213030113 is 31103031203112.

It is a happy number.

It is not a de Polignac number, because 21130213030113 - 2⁴ = 21130213030097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21130213030113.

It is not an unprimeable number, because it can be changed into a prime (21130213030313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23354070 + ... + 24241967.

It is an arithmetic number, because the mean of its divisors is an integer number (1291375703016).

Almost surely, 2^{21130213030113} is an apocalyptic number.

It is an amenable number.

21130213030113 is a deficient number, since it is larger than the sum of its proper divisors (9862803842271).

21130213030113 is a wasteful number, since it uses less digits than its factorization.

21130213030113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47597285 (or 47597274 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 21130213030113 its reverse (31103031203112), we get a palindrome (52233244233225).

The spelling of 21130213030113 in words is "twenty-one trillion, one hundred thirty billion, two hundred thirteen million, thirty thousand, one hundred thirteen".