2100711275977 has 2 divisors, whose sum is σ = 2100711275978. Its totient is φ = 2100711275976.

The previous prime is 2100711275953. The next prime is 2100711275981. The reversal of 2100711275977 is 7795721170012.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1477449974016 + 623261301961 = 1215504^2 + 789469^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100711275977 - 2¹⁵ = 2100711243209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2100711275977.

It is not a weakly prime, because it can be changed into another prime (2100711275477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050355637988 + 1050355637989.

It is an arithmetic number, because the mean of its divisors is an integer number (1050355637989).

Almost surely, 2^{2100711275977} is an apocalyptic number.

It is an amenable number.

2100711275977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100711275977 is an equidigital number, since it uses as much as digits as its factorization.

2100711275977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432180, while the sum is 49.

The spelling of 2100711275977 in words is "two trillion, one hundred billion, seven hundred eleven million, two hundred seventy-five thousand, nine hundred seventy-seven".