21002132332311 has 8 divisors (see below), whose sum is σ = 30156907964400. Its totient is φ = 12924389127552.

The previous prime is 21002132332283. The next prime is 21002132332319. The reversal of 21002132332311 is 11323323120012.

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

It is not a de Polignac number, because 21002132332311 - 2³⁴ = 20984952463127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21002132332319) 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, 269258106786 + ... + 269258106863.

It is an arithmetic number, because the mean of its divisors is an integer number (3769613495550).

Almost surely, 2^{21002132332311} is an apocalyptic number.

21002132332311 is a deficient number, since it is larger than the sum of its proper divisors (9154775632089).

21002132332311 is a wasteful number, since it uses less digits than its factorization.

21002132332311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538516213665.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21002132332311 its reverse (11323323120012), we get a palindrome (32325455452323).

The spelling of 21002132332311 in words is "twenty-one trillion, two billion, one hundred thirty-two million, three hundred thirty-two thousand, three hundred eleven".