211210220005049 has 2 divisors, whose sum is σ = 211210220005050. Its totient is φ = 211210220005048.

The previous prime is 211210220005039. The next prime is 211210220005063. The reversal of 211210220005049 is 940500022012112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172852549075600 + 38357670929449 = 13147340^2 + 6193357^2 .

It is a cyclic number.

It is not a de Polignac number, because 211210220005049 - 2¹² = 211210220000953 is a prime.

It is not a weakly prime, because it can be changed into another prime (211210220005039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105605110002524 + 105605110002525.

It is an arithmetic number, because the mean of its divisors is an integer number (105605110002525).

Almost surely, 2^{211210220005049} is an apocalyptic number.

It is an amenable number.

211210220005049 is a deficient number, since it is larger than the sum of its proper divisors (1).

211210220005049 is an equidigital number, since it uses as much as digits as its factorization.

211210220005049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 211210220005049 in words is "two hundred eleven trillion, two hundred ten billion, two hundred twenty million, five thousand, forty-nine".