21356332114334 has 16 divisors (see below), whose sum is σ = 36614953650528. Its totient is φ = 9151689113952.

The previous prime is 21356332114283. The next prime is 21356332114343. The reversal of 21356332114334 is 43341123365312.

It is a junction number, because it is equal to n+sod(n) for n = 21356332114291 and 21356332114300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85257917 + ... + 85508040.

It is an arithmetic number, because the mean of its divisors is an integer number (2288434603158).

Almost surely, 2^{21356332114334} is an apocalyptic number.

21356332114334 is a deficient number, since it is larger than the sum of its proper divisors (15258621536194).

21356332114334 is a wasteful number, since it uses less digits than its factorization.

21356332114334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170774899.

The product of its digits is 466560, while the sum is 41.

Adding to 21356332114334 its reverse (43341123365312), we get a palindrome (64697455479646).

The spelling of 21356332114334 in words is "twenty-one trillion, three hundred fifty-six billion, three hundred thirty-two million, one hundred fourteen thousand, three hundred thirty-four".