11022220112009 has 2 divisors, whose sum is σ = 11022220112010. Its totient is φ = 11022220112008.

The previous prime is 11022220111961. The next prime is 11022220112011. The reversal of 11022220112009 is 90021102222011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9605815455625 + 1416404656384 = 3099325^2 + 1190128^2 .

It is a cyclic number.

It is not a de Polignac number, because 11022220112009 - 2²⁸ = 11021951676553 is a prime.

Together with 11022220112011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11022220112509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5511110056004 + 5511110056005.

It is an arithmetic number, because the mean of its divisors is an integer number (5511110056005).

Almost surely, 2^{11022220112009} is an apocalyptic number.

It is an amenable number.

11022220112009 is a deficient number, since it is larger than the sum of its proper divisors (1).

11022220112009 is an equidigital number, since it uses as much as digits as its factorization.

11022220112009 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 11022220112009 in words is "eleven trillion, twenty-two billion, two hundred twenty million, one hundred twelve thousand, nine".