21214036503532 has 12 divisors (see below), whose sum is σ = 39078488296120. Its totient is φ = 10048754133216.

The previous prime is 21214036503529. The next prime is 21214036503533. The reversal of 21214036503532 is 23530563041212.

It is a junction number, because it is equal to n+sod(n) for n = 21214036503491 and 21214036503500.

It is not an unprimeable number, because it can be changed into a prime (21214036503533) by changing a digit.

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, 139566029553 + ... + 139566029704.

Almost surely, 2^{21214036503532} is an apocalyptic number.

It is an amenable number.

21214036503532 is a deficient number, since it is larger than the sum of its proper divisors (17864451792588).

21214036503532 is a wasteful number, since it uses less digits than its factorization.

21214036503532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279132059280 (or 279132059278 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 21214036503532 its reverse (23530563041212), we get a palindrome (44744599544744).

The spelling of 21214036503532 in words is "twenty-one trillion, two hundred fourteen billion, thirty-six million, five hundred three thousand, five hundred thirty-two".