21332020124441 has 8 divisors (see below), whose sum is σ = 23113883063040. Its totient is φ = 19570291230672.

The previous prime is 21332020124431. The next prime is 21332020124449. The reversal of 21332020124441 is 14442102023312.

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

It is a de Polignac number, because none of the positive numbers 2^k-21332020124441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21332020124449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5033509001 + ... + 5033513238.

It is an arithmetic number, because the mean of its divisors is an integer number (2889235382880).

Almost surely, 2^{21332020124441} is an apocalyptic number.

It is an amenable number.

21332020124441 is a deficient number, since it is larger than the sum of its proper divisors (1781862938599).

21332020124441 is a wasteful number, since it uses less digits than its factorization.

21332020124441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10067022415.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 21332020124441 its reverse (14442102023312), we get a palindrome (35774122147753).

The spelling of 21332020124441 in words is "twenty-one trillion, three hundred thirty-two billion, twenty million, one hundred twenty-four thousand, four hundred forty-one".