21014343141113 has 6 divisors (see below), whose sum is σ = 24445256307066. Its totient is φ = 18012294120912.

The previous prime is 21014343141109. The next prime is 21014343141119. The reversal of 21014343141113 is 31114134341012.

It can be written as a sum of positive squares in only one way, i.e., 14521182984889 + 6493160156224 = 3810667^2 + 2548168^2 .

It is not a de Polignac number, because 21014343141113 - 2² = 21014343141109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21014343141119) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 214432072820 + ... + 214432072917.

It is an arithmetic number, because the mean of its divisors is an integer number (4074209384511).

Almost surely, 2^{21014343141113} is an apocalyptic number.

It is an amenable number.

21014343141113 is a deficient number, since it is larger than the sum of its proper divisors (3430913165953).

21014343141113 is an equidigital number, since it uses as much as digits as its factorization.

21014343141113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428864145751 (or 428864145744 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 21014343141113 its reverse (31114134341012), we get a palindrome (52128477482125).

The spelling of 21014343141113 in words is "twenty-one trillion, fourteen billion, three hundred forty-three million, one hundred forty-one thousand, one hundred thirteen".