21113112100303 has 2 divisors, whose sum is σ = 21113112100304. Its totient is φ = 21113112100302.

The previous prime is 21113112100253. The next prime is 21113112100361. The reversal of 21113112100303 is 30300121131112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21113112100303 - 2²⁹ = 21112575229391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21113112500303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10556556050151 + 10556556050152.

It is an arithmetic number, because the mean of its divisors is an integer number (10556556050152).

Almost surely, 2^{21113112100303} is an apocalyptic number.

21113112100303 is a deficient number, since it is larger than the sum of its proper divisors (1).

21113112100303 is an equidigital number, since it uses as much as digits as its factorization.

21113112100303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 21113112100303 its reverse (30300121131112), we get a palindrome (51413233231415).

The spelling of 21113112100303 in words is "twenty-one trillion, one hundred thirteen billion, one hundred twelve million, one hundred thousand, three hundred three".