11012111222201 has 4 divisors (see below), whose sum is σ = 11057804630004. Its totient is φ = 10966417814400.

The previous prime is 11012111222179. The next prime is 11012111222227. The reversal of 11012111222201 is 10222211121011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3387200989225 + 7624910232976 = 1840435^2 + 2761324^2 .

It is a cyclic number.

It is not a de Polignac number, because 11012111222201 - 2³⁴ = 10994931353017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11012111222201.

It is not an unprimeable number, because it can be changed into a prime (11012111222251) 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 in 3 ways as a sum of consecutive naturals, for example, 22846703540 + ... + 22846704021.

It is an arithmetic number, because the mean of its divisors is an integer number (2764451157501).

Almost surely, 2^{11012111222201} is an apocalyptic number.

It is an amenable number.

11012111222201 is a deficient number, since it is larger than the sum of its proper divisors (45693407803).

11012111222201 is an equidigital number, since it uses as much as digits as its factorization.

11012111222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45693407802.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11012111222201 its reverse (10222211121011), we get a palindrome (21234322343212).

The spelling of 11012111222201 in words is "eleven trillion, twelve billion, one hundred eleven million, two hundred twenty-two thousand, two hundred one".