111201020211133 has 2 divisors, whose sum is σ = 111201020211134. Its totient is φ = 111201020211132.

The previous prime is 111201020211107. The next prime is 111201020211287. The reversal of 111201020211133 is 331112020102111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84310189115364 + 26890831095769 = 9182058^2 + 5185637^2 .

It is a cyclic number.

It is not a de Polignac number, because 111201020211133 - 2²¹ = 111201018113981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111201020211133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111201020211103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600510105566 + 55600510105567.

It is an arithmetic number, because the mean of its divisors is an integer number (55600510105567).

Almost surely, 2^{111201020211133} is an apocalyptic number.

It is an amenable number.

111201020211133 is a deficient number, since it is larger than the sum of its proper divisors (1).

111201020211133 is an equidigital number, since it uses as much as digits as its factorization.

111201020211133 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 19.

Adding to 111201020211133 its reverse (331112020102111), we get a palindrome (442313040313244).

The spelling of 111201020211133 in words is "one hundred eleven trillion, two hundred one billion, twenty million, two hundred eleven thousand, one hundred thirty-three".