21045140120014 has 8 divisors (see below), whose sum is σ = 31874192803440. Its totient is φ = 10420409185536.

The previous prime is 21045140119973. The next prime is 21045140120083. The reversal of 21045140120014 is 41002104154012.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 51080436979 + ... + 51080437390.

It is an arithmetic number, because the mean of its divisors is an integer number (3984274100430).

Almost surely, 2^{21045140120014} is an apocalyptic number.

21045140120014 is a deficient number, since it is larger than the sum of its proper divisors (10829052683426).

21045140120014 is a wasteful number, since it uses less digits than its factorization.

21045140120014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102160874474.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 21045140120014 its reverse (41002104154012), we get a palindrome (62047244274026).

The spelling of 21045140120014 in words is "twenty-one trillion, forty-five billion, one hundred forty million, one hundred twenty thousand, fourteen".