10220211110209 has 2 divisors, whose sum is σ = 10220211110210. Its totient is φ = 10220211110208.

The previous prime is 10220211110173. The next prime is 10220211110251. The reversal of 10220211110209 is 90201111202201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9235958621184 + 984252489025 = 3039072^2 + 992095^2 .

It is a cyclic number.

It is not a de Polignac number, because 10220211110209 - 2¹¹ = 10220211108161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10220211110209.

It is not a weakly prime, because it can be changed into another prime (10220211116209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110105555104 + 5110105555105.

It is an arithmetic number, because the mean of its divisors is an integer number (5110105555105).

Almost surely, 2^{10220211110209} is an apocalyptic number.

It is an amenable number.

10220211110209 is a deficient number, since it is larger than the sum of its proper divisors (1).

10220211110209 is an equidigital number, since it uses as much as digits as its factorization.

10220211110209 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 22.

The spelling of 10220211110209 in words is "ten trillion, two hundred twenty billion, two hundred eleven million, one hundred ten thousand, two hundred nine".