13021111224426 has 32 divisors (see below), whose sum is σ = 26692148551680. Its totient is φ = 4233207905136.

The previous prime is 13021111224409. The next prime is 13021111224487. The reversal of 13021111224426 is 62442211112031.

It is a junction number, because it is equal to n+sod(n) for n = 13021111224393 and 13021111224402.

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, 144769216 + ... + 144859131.

It is an arithmetic number, because the mean of its divisors is an integer number (834129642240).

Almost surely, 2^{13021111224426} is an apocalyptic number.

13021111224426 is an abundant number, since it is smaller than the sum of its proper divisors (13671037327254).

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

13021111224426 is a wasteful number, since it uses less digits than its factorization.

13021111224426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289628538.

The product of its (nonzero) digits is 4608, while the sum is 30.

Adding to 13021111224426 its reverse (62442211112031), we get a palindrome (75463322336457).

The spelling of 13021111224426 in words is "thirteen trillion, twenty-one billion, one hundred eleven million, two hundred twenty-four thousand, four hundred twenty-six".