21010133333113 has 4 divisors (see below), whose sum is σ = 21019517048320. Its totient is φ = 21000749617908.

The previous prime is 21010133333029. The next prime is 21010133333159. The reversal of 21010133333113 is 31133333101012.

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 a de Polignac number, because none of the positive numbers 2^k-21010133333113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21010113333113) 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, 4691854245 + ... + 4691858722.

It is an arithmetic number, because the mean of its divisors is an integer number (5254879262080).

Almost surely, 2^{21010133333113} is an apocalyptic number.

It is an amenable number.

21010133333113 is a deficient number, since it is larger than the sum of its proper divisors (9383715207).

21010133333113 is an equidigital number, since it uses as much as digits as its factorization.

21010133333113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9383715206.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 21010133333113 its reverse (31133333101012), we get a palindrome (52143466434125).

The spelling of 21010133333113 in words is "twenty-one trillion, ten billion, one hundred thirty-three million, three hundred thirty-three thousand, one hundred thirteen".