21232330210103 has 2 divisors, whose sum is σ = 21232330210104. Its totient is φ = 21232330210102.

The previous prime is 21232330210067. The next prime is 21232330210121. The reversal of 21232330210103 is 30101203323212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21232330210103 - 2²² = 21232326015799 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21232330210303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10616165105051 + 10616165105052.

It is an arithmetic number, because the mean of its divisors is an integer number (10616165105052).

Almost surely, 2^{21232330210103} is an apocalyptic number.

21232330210103 is a deficient number, since it is larger than the sum of its proper divisors (1).

21232330210103 is an equidigital number, since it uses as much as digits as its factorization.

21232330210103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21232330210103 its reverse (30101203323212), we get a palindrome (51333533533315).

The spelling of 21232330210103 in words is "twenty-one trillion, two hundred thirty-two billion, three hundred thirty million, two hundred ten thousand, one hundred three".