2101315545041 has 2 divisors, whose sum is σ = 2101315545042. Its totient is φ = 2101315545040.

The previous prime is 2101315544983. The next prime is 2101315545187. The reversal of 2101315545041 is 1405455131012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1546737455041 + 554578090000 = 1243679^2 + 744700^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101315545041 - 2¹⁴ = 2101315528657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2101315544989 and 2101315545007.

It is not a weakly prime, because it can be changed into another prime (2101315545841) 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, 1050657772520 + 1050657772521.

It is an arithmetic number, because the mean of its divisors is an integer number (1050657772521).

Almost surely, 2^{2101315545041} is an apocalyptic number.

It is an amenable number.

2101315545041 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101315545041 is an equidigital number, since it uses as much as digits as its factorization.

2101315545041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 2101315545041 in words is "two trillion, one hundred one billion, three hundred fifteen million, five hundred forty-five thousand, forty-one".