21411103003 has 2 divisors, whose sum is σ = 21411103004. Its totient is φ = 21411103002.

The previous prime is 21411102989. The next prime is 21411103027. The reversal of 21411103003 is 30030111412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21411103003 - 2¹⁷ = 21410971931 is a prime.

It is not a weakly prime, because it can be changed into another prime (21411104003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10705551501 + 10705551502.

It is an arithmetic number, because the mean of its divisors is an integer number (10705551502).

Almost surely, 2^21411103003 is an apocalyptic number.

21411103003 is a deficient number, since it is larger than the sum of its proper divisors (1).

21411103003 is an equidigital number, since it uses as much as digits as its factorization.

21411103003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21411103003 its reverse (30030111412), we get a palindrome (51441214415).

The spelling of 21411103003 in words is "twenty-one billion, four hundred eleven million, one hundred three thousand, three".