21023201333311 has 8 divisors (see below), whose sum is σ = 21076327860224. Its totient is φ = 20970137495160.

The previous prime is 21023201333287. The next prime is 21023201333333. The reversal of 21023201333311 is 11333310232012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21023201333311 - 2³³ = 21014611398719 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 (21023201333341) 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 7 ways as a sum of consecutive naturals, for example, 15000591 + ... + 16342096.

It is an arithmetic number, because the mean of its divisors is an integer number (2634540982528).

Almost surely, 2^{21023201333311} is an apocalyptic number.

21023201333311 is a deficient number, since it is larger than the sum of its proper divisors (53126526913).

21023201333311 is a wasteful number, since it uses less digits than its factorization.

21023201333311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31344381.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 21023201333311 its reverse (11333310232012), we get a palindrome (32356511565323).

The spelling of 21023201333311 in words is "twenty-one trillion, twenty-three billion, two hundred one million, three hundred thirty-three thousand, three hundred eleven".