21113334134346 has 64 divisors (see below), whose sum is σ = 44700854400000. Its totient is φ = 6629651753472.

The previous prime is 21113334134329. The next prime is 21113334134401. The reversal of 21113334134346 is 64343143331112.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35526490 + ... + 36115898.

It is an arithmetic number, because the mean of its divisors is an integer number (698450850000).

Almost surely, 2^{21113334134346} is an apocalyptic number.

21113334134346 is an abundant number, since it is smaller than the sum of its proper divisors (23587520265654).

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

21113334134346 is a wasteful number, since it uses less digits than its factorization.

21113334134346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591211.

The product of its digits is 186624, while the sum is 39.

Adding to 21113334134346 its reverse (64343143331112), we get a palindrome (85456477465458).

The spelling of 21113334134346 in words is "twenty-one trillion, one hundred thirteen billion, three hundred thirty-four million, one hundred thirty-four thousand, three hundred forty-six".