2100102812603 has 2 divisors, whose sum is σ = 2100102812604. Its totient is φ = 2100102812602.

The previous prime is 2100102812569. The next prime is 2100102812641. The reversal of 2100102812603 is 3062182010012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100102812603 - 2⁸ = 2100102812347 is a prime.

It is not a weakly prime, because it can be changed into another prime (2100102812803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050051406301 + 1050051406302.

It is an arithmetic number, because the mean of its divisors is an integer number (1050051406302).

Almost surely, 2^{2100102812603} is an apocalyptic number.

2100102812603 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100102812603 is an equidigital number, since it uses as much as digits as its factorization.

2100102812603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 2100102812603 its reverse (3062182010012), we get a palindrome (5162284822615).

The spelling of 2100102812603 in words is "two trillion, one hundred billion, one hundred two million, eight hundred twelve thousand, six hundred three".