2100529117 has 2 divisors, whose sum is σ = 2100529118. Its totient is φ = 2100529116.

The previous prime is 2100529111. The next prime is 2100529141. The reversal of 2100529117 is 7119250012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2034821881 + 65707236 = 45109^2 + 8106^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100529117 - 2²³ = 2092140509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100529111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050264558 + 1050264559.

It is an arithmetic number, because the mean of its divisors is an integer number (1050264559).

Almost surely, 2^2100529117 is an apocalyptic number.

It is an amenable number.

2100529117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100529117 is an equidigital number, since it uses as much as digits as its factorization.

2100529117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 2100529117 is about 45831.5297257248. The cubic root of 2100529117 is about 1280.6867077346.

Adding to 2100529117 its reverse (7119250012), we get a palindrome (9219779129).

The spelling of 2100529117 in words is "two billion, one hundred million, five hundred twenty-nine thousand, one hundred seventeen".