21214024302063 has 32 divisors (see below), whose sum is σ = 29269005440256. Its totient is φ = 13661326280448.

The previous prime is 21214024302061. The next prime is 21214024302113. The reversal of 21214024302063 is 36020342041212.

It is not a de Polignac number, because 21214024302063 - 2¹ = 21214024302061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21214024302063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21214024302061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1640145 + ... + 6717002.

It is an arithmetic number, because the mean of its divisors is an integer number (914656420008).

Almost surely, 2^{21214024302063} is an apocalyptic number.

21214024302063 is a deficient number, since it is larger than the sum of its proper divisors (8054981138193).

21214024302063 is a wasteful number, since it uses less digits than its factorization.

21214024302063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8357463.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 21214024302063 its reverse (36020342041212), we get a palindrome (57234366343275).

The spelling of 21214024302063 in words is "twenty-one trillion, two hundred fourteen billion, twenty-four million, three hundred two thousand, sixty-three".