11201212000109 has 2 divisors, whose sum is σ = 11201212000110. Its totient is φ = 11201212000108.

The previous prime is 11201212000063. The next prime is 11201212000117. The reversal of 11201212000109 is 90100021210211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8433157920100 + 2768054080009 = 2903990^2 + 1663747^2 .

It is a cyclic number.

It is not a de Polignac number, because 11201212000109 - 2⁸ = 11201211999853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11201212000409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600606000054 + 5600606000055.

It is an arithmetic number, because the mean of its divisors is an integer number (5600606000055).

Almost surely, 2^{11201212000109} is an apocalyptic number.

It is an amenable number.

11201212000109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201212000109 is an equidigital number, since it uses as much as digits as its factorization.

11201212000109 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 11201212000109 in words is "eleven trillion, two hundred one billion, two hundred twelve million, one hundred nine", and thus it is an aban number.