21020132113001 has 4 divisors (see below), whose sum is σ = 24023008129152. Its totient is φ = 18017256096852.

The previous prime is 21020132112943. The next prime is 21020132113051. The reversal of 21020132113001 is 10031123102012.

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 21020132113001 - 2¹⁴ = 21020132096617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21020132113051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501438008065 + ... + 1501438008078.

It is an arithmetic number, because the mean of its divisors is an integer number (6005752032288).

Almost surely, 2^{21020132113001} is an apocalyptic number.

It is an amenable number.

21020132113001 is a deficient number, since it is larger than the sum of its proper divisors (3002876016151).

21020132113001 is an equidigital number, since it uses as much as digits as its factorization.

21020132113001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002876016150.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 21020132113001 its reverse (10031123102012), we get a palindrome (31051255215013).

The spelling of 21020132113001 in words is "twenty-one trillion, twenty billion, one hundred thirty-two million, one hundred thirteen thousand, one".