11011010111201 has 2 divisors, whose sum is σ = 11011010111202. Its totient is φ = 11011010111200.

The previous prime is 11011010111197. The next prime is 11011010111203. The reversal of 11011010111201 is 10211101011011.

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., 10232161500625 + 778848610576 = 3198775^2 + 882524^2 .

It is a cyclic number.

It is not a de Polignac number, because 11011010111201 - 2² = 11011010111197 is a prime.

Together with 11011010111203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11011010111203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505505055600 + 5505505055601.

It is an arithmetic number, because the mean of its divisors is an integer number (5505505055601).

Almost surely, 2^{11011010111201} is an apocalyptic number.

It is an amenable number.

11011010111201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011010111201 is an equidigital number, since it uses as much as digits as its factorization.

11011010111201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 11011010111201 its reverse (10211101011011), we get a palindrome (21222111122212).

The spelling of 11011010111201 in words is "eleven trillion, eleven billion, ten million, one hundred eleven thousand, two hundred one".