2211211101109 has 2 divisors, whose sum is σ = 2211211101110. Its totient is φ = 2211211101108.

The previous prime is 2211211101089. The next prime is 2211211101133. The reversal of 2211211101109 is 9011011121122.

It is a happy number.

2211211101109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2024843620900 + 186367480209 = 1422970^2 + 431703^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211211101109 - 2⁷ = 2211211100981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2211211101109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2211211171109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105605550554 + 1105605550555.

It is an arithmetic number, because the mean of its divisors is an integer number (1105605550555).

Almost surely, 2^{2211211101109} is an apocalyptic number.

It is an amenable number.

2211211101109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211211101109 is an equidigital number, since it uses as much as digits as its factorization.

2211211101109 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 22.

The spelling of 2211211101109 in words is "two trillion, two hundred eleven billion, two hundred eleven million, one hundred one thousand, one hundred nine".