21411103343 has 8 divisors (see below), whose sum is σ = 25259182080. Its totient is φ = 17760362040.

The previous prime is 21411103313. The next prime is 21411103387. The reversal of 21411103343 is 34330111412.

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

It is a cyclic number.

It is not a de Polignac number, because 21411103343 - 2¹⁶ = 21411037807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21411103313) 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, 49334123 + ... + 49334556.

It is an arithmetic number, because the mean of its divisors is an integer number (3157397760).

Almost surely, 2^21411103343 is an apocalyptic number.

21411103343 is a deficient number, since it is larger than the sum of its proper divisors (3848078737).

21411103343 is an equidigital number, since it uses as much as digits as its factorization.

21411103343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98668717.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21411103343 its reverse (34330111412), we get a palindrome (55741214755).

The spelling of 21411103343 in words is "twenty-one billion, four hundred eleven million, one hundred three thousand, three hundred forty-three".