2101066141 has 2 divisors, whose sum is σ = 2101066142. Its totient is φ = 2101066140.

The previous prime is 2101066139. The next prime is 2101066147. The reversal of 2101066141 is 1416601012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1144401241 + 956664900 = 33829^2 + 30930^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101066141 - 2¹ = 2101066139 is a prime.

Together with 2101066139, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101066147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050533070 + 1050533071.

It is an arithmetic number, because the mean of its divisors is an integer number (1050533071).

Almost surely, 2^2101066141 is an apocalyptic number.

It is an amenable number.

2101066141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101066141 is an equidigital number, since it uses as much as digits as its factorization.

2101066141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 2101066141 is about 45837.3880254973. The cubic root of 2101066141 is about 1280.7958391101.

Adding to 2101066141 its reverse (1416601012), we get a palindrome (3517667153).

The spelling of 2101066141 in words is "two billion, one hundred one million, sixty-six thousand, one hundred forty-one".