2212101211009 has 2 divisors, whose sum is σ = 2212101211010. Its totient is φ = 2212101211008.

The previous prime is 2212101210967. The next prime is 2212101211027. The reversal of 2212101211009 is 9001121012122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1959011724609 + 253089486400 = 1399647^2 + 503080^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212101211009 - 2⁹ = 2212101210497 is a prime.

It is not a weakly prime, because it can be changed into another prime (2212101211039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106050605504 + 1106050605505.

It is an arithmetic number, because the mean of its divisors is an integer number (1106050605505).

Almost surely, 2^{2212101211009} is an apocalyptic number.

It is an amenable number.

2212101211009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212101211009 is an equidigital number, since it uses as much as digits as its factorization.

2212101211009 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 2212101211009 in words is "two trillion, two hundred twelve billion, one hundred one million, two hundred eleven thousand, nine".