22122111110009 has 2 divisors, whose sum is σ = 22122111110010. Its totient is φ = 22122111110008.

The previous prime is 22122111109991. The next prime is 22122111110039. The reversal of 22122111110009 is 90001111122122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21356228838400 + 765882271609 = 4621280^2 + 875147^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22122111110009 is a prime.

It is not a weakly prime, because it can be changed into another prime (22122111110039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061055555004 + 11061055555005.

It is an arithmetic number, because the mean of its divisors is an integer number (11061055555005).

Almost surely, 2^{22122111110009} is an apocalyptic number.

It is an amenable number.

22122111110009 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122111110009 is an equidigital number, since it uses as much as digits as its factorization.

22122111110009 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 23.

The spelling of 22122111110009 in words is "twenty-two trillion, one hundred twenty-two billion, one hundred eleven million, one hundred ten thousand, nine".