21010142714 has 32 divisors (see below), whose sum is σ = 34502713344. Its totient is φ = 9516109680.

The previous prime is 21010142693. The next prime is 21010142717. The reversal of 21010142714 is 41724101012.

21010142714 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 21010142714.

It is not an unprimeable number, because it can be changed into a prime (21010142717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13271567 + ... + 13273149.

It is an arithmetic number, because the mean of its divisors is an integer number (1078209792).

Almost surely, 2^21010142714 is an apocalyptic number.

21010142714 is a deficient number, since it is larger than the sum of its proper divisors (13492570630).

21010142714 is a wasteful number, since it uses less digits than its factorization.

21010142714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 21010142714 its reverse (41724101012), we get a palindrome (62734243726).

The spelling of 21010142714 in words is "twenty-one billion, ten million, one hundred forty-two thousand, seven hundred fourteen".