21130000456426 has 32 divisors (see below), whose sum is σ = 32979012883200. Its totient is φ = 10141247981760.

The previous prime is 21130000456403. The next prime is 21130000456441. The reversal of 21130000456426 is 62465400003112.

It is a junction number, because it is equal to n+sod(n) for n = 21130000456391 and 21130000456400.

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, 307718485 + ... + 307787143.

It is an arithmetic number, because the mean of its divisors is an integer number (1030594152600).

Almost surely, 2^{21130000456426} is an apocalyptic number.

21130000456426 is a deficient number, since it is larger than the sum of its proper divisors (11849012426774).

21130000456426 is a wasteful number, since it uses less digits than its factorization.

21130000456426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99534.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 21130000456426 its reverse (62465400003112), we get a palindrome (83595400459538).

The spelling of 21130000456426 in words is "twenty-one trillion, one hundred thirty billion, four hundred fifty-six thousand, four hundred twenty-six".