21002333311301 has 16 divisors (see below), whose sum is σ = 22615254406080. Its totient is φ = 19431372660480.

The previous prime is 21002333311153. The next prime is 21002333311343. The reversal of 21002333311301 is 10311333320012.

It is a cyclic number.

It is not a de Polignac number, because 21002333311301 - 2³⁴ = 20985153442117 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 (21002333311381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42341810 + ... + 42834956.

It is an arithmetic number, because the mean of its divisors is an integer number (1413453400380).

Almost surely, 2^{21002333311301} is an apocalyptic number.

It is an amenable number.

21002333311301 is a deficient number, since it is larger than the sum of its proper divisors (1612921094779).

21002333311301 is a wasteful number, since it uses less digits than its factorization.

21002333311301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535684.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 21002333311301 its reverse (10311333320012), we get a palindrome (31313666631313).

The spelling of 21002333311301 in words is "twenty-one trillion, two billion, three hundred thirty-three million, three hundred eleven thousand, three hundred one".