22100211709 has 2 divisors, whose sum is σ = 22100211710. Its totient is φ = 22100211708.

The previous prime is 22100211689. The next prime is 22100211739. The reversal of 22100211709 is 90711200122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18927706084 + 3172505625 = 137578^2 + 56325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22100211709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22100211739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050105854 + 11050105855.

It is an arithmetic number, because the mean of its divisors is an integer number (11050105855).

Almost surely, 2^22100211709 is an apocalyptic number.

It is an amenable number.

22100211709 is a deficient number, since it is larger than the sum of its proper divisors (1).

22100211709 is an equidigital number, since it uses as much as digits as its factorization.

22100211709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 22100211709 in words is "twenty-two billion, one hundred million, two hundred eleven thousand, seven hundred nine".