210100133100761 has 2 divisors, whose sum is σ = 210100133100762. Its totient is φ = 210100133100760.

The previous prime is 210100133100751. The next prime is 210100133100763. The reversal of 210100133100761 is 167001331001012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170408482483600 + 39691650617161 = 13054060^2 + 6300131^2 .

It is a cyclic number.

It is not a de Polignac number, because 210100133100761 - 2²² = 210100128906457 is a prime.

It is a Sophie Germain prime.

Together with 210100133100763, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 210100133100761.

It is not a weakly prime, because it can be changed into another prime (210100133100763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105050066550380 + 105050066550381.

It is an arithmetic number, because the mean of its divisors is an integer number (105050066550381).

Almost surely, 2^{210100133100761} is an apocalyptic number.

It is an amenable number.

210100133100761 is a deficient number, since it is larger than the sum of its proper divisors (1).

210100133100761 is an equidigital number, since it uses as much as digits as its factorization.

210100133100761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

Adding to 210100133100761 its reverse (167001331001012), we get a palindrome (377101464101773).

The spelling of 210100133100761 in words is "two hundred ten trillion, one hundred billion, one hundred thirty-three million, one hundred thousand, seven hundred sixty-one".