21300011013133 has 4 divisors (see below), whose sum is σ = 21430685927488. Its totient is φ = 21169336098780.

The previous prime is 21300011013121. The next prime is 21300011013143. The reversal of 21300011013133 is 33131011000312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21300011013133 - 2¹³ = 21300011004941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21300011013133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21300011013103) 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, 65337456933 + ... + 65337457258.

It is an arithmetic number, because the mean of its divisors is an integer number (5357671481872).

Almost surely, 2^{21300011013133} is an apocalyptic number.

It is an amenable number.

21300011013133 is a deficient number, since it is larger than the sum of its proper divisors (130674914355).

21300011013133 is a wasteful number, since it uses less digits than its factorization.

21300011013133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130674914354.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 21300011013133 its reverse (33131011000312), we get a palindrome (54431022013445).

The spelling of 21300011013133 in words is "twenty-one trillion, three hundred billion, eleven million, thirteen thousand, one hundred thirty-three".