11101022112109 has 2 divisors, whose sum is σ = 11101022112110. Its totient is φ = 11101022112108.

The previous prime is 11101022111929. The next prime is 11101022112139. The reversal of 11101022112109 is 90121122010111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9872478202500 + 1228543909609 = 3142050^2 + 1108397^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101022112109 - 2²⁵ = 11100988557677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11101022112109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11101022112139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550511056054 + 5550511056055.

It is an arithmetic number, because the mean of its divisors is an integer number (5550511056055).

Almost surely, 2^{11101022112109} is an apocalyptic number.

It is an amenable number.

11101022112109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101022112109 is an equidigital number, since it uses as much as digits as its factorization.

11101022112109 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 11101022112109 in words is "eleven trillion, one hundred one billion, twenty-two million, one hundred twelve thousand, one hundred nine".