2101315545803 has 2 divisors, whose sum is σ = 2101315545804. Its totient is φ = 2101315545802.

The previous prime is 2101315545767. The next prime is 2101315545809. The reversal of 2101315545803 is 3085455131012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2101315545803 - 2¹⁴ = 2101315529419 is a prime.

It is not a weakly prime, because it can be changed into another prime (2101315545809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050657772901 + 1050657772902.

It is an arithmetic number, because the mean of its divisors is an integer number (1050657772902).

Almost surely, 2^{2101315545803} is an apocalyptic number.

2101315545803 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101315545803 is an equidigital number, since it uses as much as digits as its factorization.

2101315545803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 2101315545803 in words is "two trillion, one hundred one billion, three hundred fifteen million, five hundred forty-five thousand, eight hundred three".