21513532220114 has 16 divisors (see below), whose sum is σ = 35204041432800. Its totient is φ = 9778856165760.

The previous prime is 21513532220069. The next prime is 21513532220239. The reversal of 21513532220114 is 41102223531512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12639737 + ... + 14240435.

It is an arithmetic number, because the mean of its divisors is an integer number (2200252589550).

Almost surely, 2^{21513532220114} is an apocalyptic number.

21513532220114 is a deficient number, since it is larger than the sum of its proper divisors (13690509212686).

21513532220114 is a wasteful number, since it uses less digits than its factorization.

21513532220114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211625.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 21513532220114 its reverse (41102223531512), we get a palindrome (62615755751626).

The spelling of 21513532220114 in words is "twenty-one trillion, five hundred thirteen billion, five hundred thirty-two million, two hundred twenty thousand, one hundred fourteen".