21130034300386 has 16 divisors (see below), whose sum is σ = 34576506482400. Its totient is φ = 9604536957280.

The previous prime is 21130034300381. The next prime is 21130034300387. The reversal of 21130034300386 is 68300343003112.

It is not an unprimeable number, because it can be changed into a prime (21130034300381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10142310 + ... + 12046846.

It is an arithmetic number, because the mean of its divisors is an integer number (2161031655150).

Almost surely, 2^{21130034300386} is an apocalyptic number.

21130034300386 is a deficient number, since it is larger than the sum of its proper divisors (13446472182014).

21130034300386 is a wasteful number, since it uses less digits than its factorization.

21130034300386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2408849.

The product of its (nonzero) digits is 31104, while the sum is 34.

Adding to 21130034300386 its reverse (68300343003112), we get a palindrome (89430377303498).

The spelling of 21130034300386 in words is "twenty-one trillion, one hundred thirty billion, thirty-four million, three hundred thousand, three hundred eighty-six".