21323225514213 has 96 divisors (see below), whose sum is σ = 38920903211520. Its totient is φ = 11464482355200.

The previous prime is 21323225514211. The next prime is 21323225514347. The reversal of 21323225514213 is 31241552232312.

21323225514213 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 3 + 225 + 5 + 1 + 421 + 3 = 666.

It is not a de Polignac number, because 21323225514213 - 2¹ = 21323225514211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21323225514211) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 75045613 + ... + 75329213.

It is an arithmetic number, because the mean of its divisors is an integer number (405426075120).

Almost surely, 2^{21323225514213} is an apocalyptic number.

It is an amenable number.

21323225514213 is a deficient number, since it is larger than the sum of its proper divisors (17597677697307).

21323225514213 is a wasteful number, since it uses less digits than its factorization.

21323225514213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286984 (or 286971 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

Adding to 21323225514213 its reverse (31241552232312), we get a palindrome (52564777746525).

The spelling of 21323225514213 in words is "twenty-one trillion, three hundred twenty-three billion, two hundred twenty-five million, five hundred fourteen thousand, two hundred thirteen".