11201210100121 has 2 divisors, whose sum is σ = 11201210100122. Its totient is φ = 11201210100120.

The previous prime is 11201210100103. The next prime is 11201210100133. The reversal of 11201210100121 is 12100101210211.

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., 10776283425625 + 424926674496 = 3282725^2 + 651864^2 .

It is a cyclic number.

It is not a de Polignac number, because 11201210100121 - 2⁷ = 11201210099993 is a prime.

It is not a weakly prime, because it can be changed into another prime (11201810100121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600605050060 + 5600605050061.

It is an arithmetic number, because the mean of its divisors is an integer number (5600605050061).

Almost surely, 2^{11201210100121} is an apocalyptic number.

It is an amenable number.

11201210100121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201210100121 is an equidigital number, since it uses as much as digits as its factorization.

11201210100121 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 11201210100121 its reverse (12100101210211), we get a palindrome (23301311310332).

The spelling of 11201210100121 in words is "eleven trillion, two hundred one billion, two hundred ten million, one hundred thousand, one hundred twenty-one".