21211002330103 has 8 divisors (see below), whose sum is σ = 21510635787648. Its totient is φ = 20912418377784.

The previous prime is 21211002330031. The next prime is 21211002330149. The reversal of 21211002330103 is 30103320011212.

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 21211002330103 - 2²⁹ = 21210465459191 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 (21211002330703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262335601 + ... + 262416442.

It is an arithmetic number, because the mean of its divisors is an integer number (2688829473456).

Almost surely, 2^{21211002330103} is an apocalyptic number.

21211002330103 is a deficient number, since it is larger than the sum of its proper divisors (299633457545).

21211002330103 is an equidigital number, since it uses as much as digits as its factorization.

21211002330103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524752613.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21211002330103 its reverse (30103320011212), we get a palindrome (51314322341315).

The spelling of 21211002330103 in words is "twenty-one trillion, two hundred eleven billion, two million, three hundred thirty thousand, one hundred three".