21041441103 has 8 divisors (see below), whose sum is σ = 28065318016. Its totient is φ = 14022595800.

The previous prime is 21041441101. The next prime is 21041441107. The reversal of 21041441103 is 30114414012.

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

It is not a de Polignac number, because 21041441103 - 2¹ = 21041441101 is a prime.

It is a super-3 number, since 3×21041441103³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21041441103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21041441101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248133 + ... + 1264878.

It is an arithmetic number, because the mean of its divisors is an integer number (3508164752).

Almost surely, 2^21041441103 is an apocalyptic number.

21041441103 is a deficient number, since it is larger than the sum of its proper divisors (7023876913).

21041441103 is a wasteful number, since it uses less digits than its factorization.

21041441103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515805.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 21041441103 its reverse (30114414012), we get a palindrome (51155855115).

The spelling of 21041441103 in words is "twenty-one billion, forty-one million, four hundred forty-one thousand, one hundred three".