21210442013414 has 32 divisors (see below), whose sum is σ = 33246755942400. Its totient is φ = 10129528094400.

The previous prime is 21210442013407. The next prime is 21210442013429. The reversal of 21210442013414 is 41431024401212.

It is a super-3 number, since 3×21210442013414³ (a number of 41 digits) contains 333 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 15 ways as a sum of consecutive naturals, for example, 92588987 + ... + 92817785.

It is an arithmetic number, because the mean of its divisors is an integer number (1038961123200).

Almost surely, 2^{21210442013414} is an apocalyptic number.

21210442013414 is a deficient number, since it is larger than the sum of its proper divisors (12036313928986).

21210442013414 is a wasteful number, since it uses less digits than its factorization.

21210442013414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231716.

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

Adding to 21210442013414 its reverse (41431024401212), we get a palindrome (62641466414626).

The spelling of 21210442013414 in words is "twenty-one trillion, two hundred ten billion, four hundred forty-two million, thirteen thousand, four hundred fourteen".