21100112000003 has 2 divisors, whose sum is σ = 21100112000004. Its totient is φ = 21100112000002.

The previous prime is 21100111999997. The next prime is 21100112000081. The reversal of 21100112000003 is 30000021100112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21100112000003 - 2⁴ = 21100111999987 is a prime.

It is not a weakly prime, because it can be changed into another prime (21100112006003) 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, 10550056000001 + 10550056000002.

It is an arithmetic number, because the mean of its divisors is an integer number (10550056000002).

Almost surely, 2^{21100112000003} is an apocalyptic number.

21100112000003 is a deficient number, since it is larger than the sum of its proper divisors (1).

21100112000003 is an equidigital number, since it uses as much as digits as its factorization.

21100112000003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 21100112000003 its reverse (30000021100112), we get a palindrome (51100133100115).

The spelling of 21100112000003 in words is "twenty-one trillion, one hundred billion, one hundred twelve million, three", and thus it is an aban number.