10211020210049 has 2 divisors, whose sum is σ = 10211020210050. Its totient is φ = 10211020210048.

The previous prime is 10211020210037. The next prime is 10211020210109. The reversal of 10211020210049 is 94001202011201.

10211020210049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5746855507600 + 4464164702449 = 2397260^2 + 2112857^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10211020210049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10211020210549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105510105024 + 5105510105025.

It is an arithmetic number, because the mean of its divisors is an integer number (5105510105025).

Almost surely, 2^{10211020210049} is an apocalyptic number.

It is an amenable number.

10211020210049 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211020210049 is an equidigital number, since it uses as much as digits as its factorization.

10211020210049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 10211020210049 in words is "ten trillion, two hundred eleven billion, twenty million, two hundred ten thousand, forty-nine".