21300301355 has 16 divisors (see below), whose sum is σ = 25624684800. Its totient is φ = 16997409120.

The previous prime is 21300301349. The next prime is 21300301361. The reversal of 21300301355 is 55310300312.

It is an interprime number because it is at equal distance from previous prime (21300301349) and next prime (21300301361).

It is not a de Polignac number, because 21300301355 - 2¹⁶ = 21300235819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21300301355.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5819516 + ... + 5823174.

It is an arithmetic number, because the mean of its divisors is an integer number (1601542800).

Almost surely, 2^21300301355 is an apocalyptic number.

21300301355 is a deficient number, since it is larger than the sum of its proper divisors (4324383445).

21300301355 is a wasteful number, since it uses less digits than its factorization.

21300301355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6274.

The product of its (nonzero) digits is 1350, while the sum is 23.

Adding to 21300301355 its reverse (55310300312), we get a palindrome (76610601667).

The spelling of 21300301355 in words is "twenty-one billion, three hundred million, three hundred one thousand, three hundred fifty-five".