11010111001121 has 2 divisors, whose sum is σ = 11010111001122. Its totient is φ = 11010111001120.

The previous prime is 11010111001081. The next prime is 11010111001129. The reversal of 11010111001121 is 12110011101011.

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., 10513806250000 + 496304751121 = 3242500^2 + 704489^2 .

It is a cyclic number.

It is not a de Polignac number, because 11010111001121 - 2¹⁴ = 11010110984737 is a prime.

It is not a weakly prime, because it can be changed into another prime (11010111001129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505055500560 + 5505055500561.

It is an arithmetic number, because the mean of its divisors is an integer number (5505055500561).

Almost surely, 2^{11010111001121} is an apocalyptic number.

It is an amenable number.

11010111001121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11010111001121 is an equidigital number, since it uses as much as digits as its factorization.

11010111001121 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 11010111001121 its reverse (12110011101011), we get a palindrome (23120122102132).

The spelling of 11010111001121 in words is "eleven trillion, ten billion, one hundred eleven million, one thousand, one hundred twenty-one".