22110211000109 has 2 divisors, whose sum is σ = 22110211000110. Its totient is φ = 22110211000108.

The previous prime is 22110211000103. The next prime is 22110211000121. The reversal of 22110211000109 is 90100011201122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12999291335209 + 9110919664900 = 3605453^2 + 3018430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22110211000109 is a prime.

It is a super-2 number, since 2×22110211000109² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22110211000103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055105500054 + 11055105500055.

It is an arithmetic number, because the mean of its divisors is an integer number (11055105500055).

Almost surely, 2^{22110211000109} is an apocalyptic number.

It is an amenable number.

22110211000109 is a deficient number, since it is larger than the sum of its proper divisors (1).

22110211000109 is an equidigital number, since it uses as much as digits as its factorization.

22110211000109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 22110211000109 in words is "twenty-two trillion, one hundred ten billion, two hundred eleven million, one hundred nine", and thus it is an aban number.