2100124143269 has 2 divisors, whose sum is σ = 2100124143270. Its totient is φ = 2100124143268.

The previous prime is 2100124143241. The next prime is 2100124143307. The reversal of 2100124143269 is 9623414210012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2030553750625 + 69570392644 = 1424975^2 + 263762^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100124143269 is a prime.

It is a super-2 number, since 2×2100124143269² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100124143769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050062071634 + 1050062071635.

It is an arithmetic number, because the mean of its divisors is an integer number (1050062071635).

Almost surely, 2^{2100124143269} is an apocalyptic number.

It is an amenable number.

2100124143269 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100124143269 is an equidigital number, since it uses as much as digits as its factorization.

2100124143269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 2100124143269 in words is "two trillion, one hundred billion, one hundred twenty-four million, one hundred forty-three thousand, two hundred sixty-nine".