21214052141514 has 8 divisors (see below), whose sum is σ = 42428104283040. Its totient is φ = 7071350713836.

The previous prime is 21214052141473. The next prime is 21214052141521. The reversal of 21214052141514 is 41514125041212.

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

21214052141514 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1767837678454 + ... + 1767837678465.

It is an arithmetic number, because the mean of its divisors is an integer number (5303513035380).

Almost surely, 2^{21214052141514} is an apocalyptic number.

21214052141514 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21214052141514 is a wasteful number, since it uses less digits than its factorization.

21214052141514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3535675356924.

The product of its (nonzero) digits is 12800, while the sum is 33.

Adding to 21214052141514 its reverse (41514125041212), we get a palindrome (62728177182726).

The spelling of 21214052141514 in words is "twenty-one trillion, two hundred fourteen billion, fifty-two million, one hundred forty-one thousand, five hundred fourteen".