21214501041333 has 16 divisors (see below), whose sum is σ = 29132783966016. Its totient is φ = 13721775091200.

The previous prime is 21214501041241. The next prime is 21214501041341. The reversal of 21214501041333 is 33314010541212.

It is not a de Polignac number, because 21214501041333 - 2¹⁷ = 21214500910261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21214501041333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21214501041373) 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 15 ways as a sum of consecutive naturals, for example, 270671343 + ... + 270749708.

It is an arithmetic number, because the mean of its divisors is an integer number (1820798997876).

Almost surely, 2^{21214501041333} is an apocalyptic number.

It is an amenable number.

21214501041333 is a deficient number, since it is larger than the sum of its proper divisors (7918282924683).

21214501041333 is a wasteful number, since it uses less digits than its factorization.

21214501041333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541421444.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 21214501041333 its reverse (33314010541212), we get a palindrome (54528511582545).

The spelling of 21214501041333 in words is "twenty-one trillion, two hundred fourteen billion, five hundred one million, forty-one thousand, three hundred thirty-three".