1111122120011 has 2 divisors, whose sum is σ = 1111122120012. Its totient is φ = 1111122120010.

The previous prime is 1111122119957. The next prime is 1111122120149. The reversal of 1111122120011 is 1100212211111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1111122120011 - 2¹⁰ = 1111122118987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111122620011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555561060005 + 555561060006.

It is an arithmetic number, because the mean of its divisors is an integer number (555561060006).

Almost surely, 2^{1111122120011} is an apocalyptic number.

1111122120011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111122120011 is an equidigital number, since it uses as much as digits as its factorization.

1111122120011 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 14.

Adding to 1111122120011 its reverse (1100212211111), we get a palindrome (2211334331122).

The spelling of 1111122120011 in words is "one trillion, one hundred eleven billion, one hundred twenty-two million, one hundred twenty thousand, eleven".