2100560771 has 2 divisors, whose sum is σ = 2100560772. Its totient is φ = 2100560770.

The previous prime is 2100560701. The next prime is 2100560779. The reversal of 2100560771 is 1770650012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2100560771 - 2²⁶ = 2033451907 is a prime.

It is a super-2 number, since 2×2100560771² = 8824711105328228882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2100560779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050280385 + 1050280386.

It is an arithmetic number, because the mean of its divisors is an integer number (1050280386).

Almost surely, 2^2100560771 is an apocalyptic number.

2100560771 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100560771 is an equidigital number, since it uses as much as digits as its factorization.

2100560771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 2100560771 is about 45831.8750543767. The cubic root of 2100560771 is about 1280.6931408206.

The spelling of 2100560771 in words is "two billion, one hundred million, five hundred sixty thousand, seven hundred seventy-one".