11211010012201 has 2 divisors, whose sum is σ = 11211010012202. Its totient is φ = 11211010012200.

The previous prime is 11211010012151. The next prime is 11211010012207. The reversal of 11211010012201 is 10221001011211.

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., 10732837762201 + 478172250000 = 3276101^2 + 691500^2 .

It is a cyclic number.

It is not a de Polignac number, because 11211010012201 - 2¹³ = 11211010004009 is a prime.

It is not a weakly prime, because it can be changed into another prime (11211010012207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605505006100 + 5605505006101.

It is an arithmetic number, because the mean of its divisors is an integer number (5605505006101).

Almost surely, 2^{11211010012201} is an apocalyptic number.

It is an amenable number.

11211010012201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211010012201 is an equidigital number, since it uses as much as digits as its factorization.

11211010012201 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 11211010012201 its reverse (10221001011211), we get a palindrome (21432011023412).

The spelling of 11211010012201 in words is "eleven trillion, two hundred eleven billion, ten million, twelve thousand, two hundred one".