21011113330301 has 4 divisors (see below), whose sum is σ = 21207478875552. Its totient is φ = 20814747785052.

The previous prime is 21011113330271. The next prime is 21011113330313. The reversal of 21011113330301 is 10303331111012.

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 21011113330301 - 2⁶ = 21011113330237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21011113330901) 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, 98182772465 + ... + 98182772678.

It is an arithmetic number, because the mean of its divisors is an integer number (5301869718888).

Almost surely, 2^{21011113330301} is an apocalyptic number.

It is an amenable number.

21011113330301 is a deficient number, since it is larger than the sum of its proper divisors (196365545251).

21011113330301 is a wasteful number, since it uses less digits than its factorization.

21011113330301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196365545250.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 21011113330301 its reverse (10303331111012), we get a palindrome (31314444441313).

The spelling of 21011113330301 in words is "twenty-one trillion, eleven billion, one hundred thirteen million, three hundred thirty thousand, three hundred one".