10211020049 has 2 divisors, whose sum is σ = 10211020050. Its totient is φ = 10211020048.

The previous prime is 10211020021. The next prime is 10211020073. The reversal of 10211020049 is 94002011201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9568752400 + 642267649 = 97820^2 + 25343^2 .

It is a cyclic number.

It is not a de Polignac number, because 10211020049 - 2²⁸ = 9942584593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10211020049.

It is not a weakly prime, because it can be changed into another prime (10211020019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105510024 + 5105510025.

It is an arithmetic number, because the mean of its divisors is an integer number (5105510025).

Almost surely, 2^10211020049 is an apocalyptic number.

It is an amenable number.

10211020049 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211020049 is an equidigital number, since it uses as much as digits as its factorization.

10211020049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 10211020049 in words is "ten billion, two hundred eleven million, twenty thousand, forty-nine".