11201122301021 has 2 divisors, whose sum is σ = 11201122301022. Its totient is φ = 11201122301020.

The previous prime is 11201122301011. The next prime is 11201122301063. The reversal of 11201122301021 is 12010322110211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6387442420921 + 4813679880100 = 2527339^2 + 2194010^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11201122301021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11201122301011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600561150510 + 5600561150511.

It is an arithmetic number, because the mean of its divisors is an integer number (5600561150511).

Almost surely, 2^{11201122301021} is an apocalyptic number.

It is an amenable number.

11201122301021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201122301021 is an equidigital number, since it uses as much as digits as its factorization.

11201122301021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11201122301021 its reverse (12010322110211), we get a palindrome (23211444411232).

The spelling of 11201122301021 in words is "eleven trillion, two hundred one billion, one hundred twenty-two million, three hundred one thousand, twenty-one".