21341220103 has 8 divisors (see below), whose sum is σ = 24397805600. Its totient is φ = 18286594560.

The previous prime is 21341220097. The next prime is 21341220127. The reversal of 21341220103 is 30102214312.

It is a happy number.

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 21341220103 - 2³³ = 12751285511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21341220193) 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, 466578 + ... + 510271.

It is an arithmetic number, because the mean of its divisors is an integer number (3049725700).

Almost surely, 2^21341220103 is an apocalyptic number.

21341220103 is a deficient number, since it is larger than the sum of its proper divisors (3056585497).

21341220103 is an equidigital number, since it uses as much as digits as its factorization.

21341220103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979977.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 21341220103 its reverse (30102214312), we get a palindrome (51443434415).

The spelling of 21341220103 in words is "twenty-one billion, three hundred forty-one million, two hundred twenty thousand, one hundred three".