11201201020111 has 2 divisors, whose sum is σ = 11201201020112. Its totient is φ = 11201201020110.

The previous prime is 11201201020103. The next prime is 11201201020117. The reversal of 11201201020111 is 11102010210211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11201201020111 - 2³ = 11201201020103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11201201020091 and 11201201020100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11201201020117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600600510055 + 5600600510056.

It is an arithmetic number, because the mean of its divisors is an integer number (5600600510056).

Almost surely, 2^{11201201020111} is an apocalyptic number.

11201201020111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201201020111 is an equidigital number, since it uses as much as digits as its factorization.

11201201020111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11201201020111 its reverse (11102010210211), we get a palindrome (22303211230322).

The spelling of 11201201020111 in words is "eleven trillion, two hundred one billion, two hundred one million, twenty thousand, one hundred eleven".