21003244114142 has 12 divisors (see below), whose sum is σ = 32553935599248. Its totient is φ = 10162860054300.

The previous prime is 21003244114129. The next prime is 21003244114157. The reversal of 21003244114142 is 24141144230012.

It is a super-2 number, since 2×21003244114142² (a number of 27 digits) contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 5463901334 + ... + 5463905177.

It is an arithmetic number, because the mean of its divisors is an integer number (2712827966604).

Almost surely, 2^{21003244114142} is an apocalyptic number.

21003244114142 is a deficient number, since it is larger than the sum of its proper divisors (11550691485106).

21003244114142 is a wasteful number, since it uses less digits than its factorization.

21003244114142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10927806575 (or 10927806544 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 21003244114142 its reverse (24141144230012), we get a palindrome (45144388344154).

The spelling of 21003244114142 in words is "twenty-one trillion, three billion, two hundred forty-four million, one hundred fourteen thousand, one hundred forty-two".