21120330003103 has 2 divisors, whose sum is σ = 21120330003104. Its totient is φ = 21120330003102.

The previous prime is 21120330003067. The next prime is 21120330003131. The reversal of 21120330003103 is 30130003302112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21120330003103 is a prime.

It is a super-3 number, since 3×21120330003103³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21120330003163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10560165001551 + 10560165001552.

It is an arithmetic number, because the mean of its divisors is an integer number (10560165001552).

Almost surely, 2^{21120330003103} is an apocalyptic number.

21120330003103 is a deficient number, since it is larger than the sum of its proper divisors (1).

21120330003103 is an equidigital number, since it uses as much as digits as its factorization.

21120330003103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 21120330003103 its reverse (30130003302112), we get a palindrome (51250333305215).

The spelling of 21120330003103 in words is "twenty-one trillion, one hundred twenty billion, three hundred thirty million, three thousand, one hundred three".