21343202054362 has 32 divisors (see below), whose sum is σ = 34538301986112. Its totient is φ = 9854156193024.

The previous prime is 21343202054359. The next prime is 21343202054477. The reversal of 21343202054362 is 26345020234312.

It is a super-3 number, since 3×21343202054362³ (a number of 41 digits) contains 333 as substring.

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 15 ways as a sum of consecutive naturals, for example, 129595033 + ... + 129759619.

It is an arithmetic number, because the mean of its divisors is an integer number (1079321937066).

Almost surely, 2^{21343202054362} is an apocalyptic number.

21343202054362 is a deficient number, since it is larger than the sum of its proper divisors (13195099931750).

21343202054362 is a wasteful number, since it uses less digits than its factorization.

21343202054362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236622.

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 21343202054362 its reverse (26345020234312), we get a palindrome (47688222288674).

The spelling of 21343202054362 in words is "twenty-one trillion, three hundred forty-three billion, two hundred two million, fifty-four thousand, three hundred sixty-two".