21002113302441 has 8 divisors (see below), whose sum is σ = 29476650249120. Its totient is φ = 13264492612032.

The previous prime is 21002113302409. The next prime is 21002113302451. The reversal of 21002113302441 is 14420331120012.

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

It is not a de Polignac number, because 21002113302441 - 2⁵ = 21002113302409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21002113302451) 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, 184229064000 + ... + 184229064113.

It is an arithmetic number, because the mean of its divisors is an integer number (3684581281140).

Almost surely, 2^{21002113302441} is an apocalyptic number.

It is an amenable number.

21002113302441 is a deficient number, since it is larger than the sum of its proper divisors (8474536946679).

21002113302441 is a wasteful number, since it uses less digits than its factorization.

21002113302441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368458128135.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 21002113302441 its reverse (14420331120012), we get a palindrome (35422444422453).

The spelling of 21002113302441 in words is "twenty-one trillion, two billion, one hundred thirteen million, three hundred two thousand, four hundred forty-one".