11211002211109 has 2 divisors, whose sum is σ = 11211002211110. Its totient is φ = 11211002211108.

The previous prime is 11211002211077. The next prime is 11211002211139. The reversal of 11211002211109 is 90111220011211.

It is a happy number.

11211002211109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9970848252225 + 1240153958884 = 3157665^2 + 1113622^2 .

It is a cyclic number.

It is not a de Polignac number, because 11211002211109 - 2⁵ = 11211002211077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11211002211109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11211002211139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605501105554 + 5605501105555.

It is an arithmetic number, because the mean of its divisors is an integer number (5605501105555).

Almost surely, 2^{11211002211109} is an apocalyptic number.

It is an amenable number.

11211002211109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211002211109 is an equidigital number, since it uses as much as digits as its factorization.

11211002211109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 11211002211109 in words is "eleven trillion, two hundred eleven billion, two million, two hundred eleven thousand, one hundred nine".