11121111002611 has 2 divisors, whose sum is σ = 11121111002612. Its totient is φ = 11121111002610.

The previous prime is 11121111002591. The next prime is 11121111002653. The reversal of 11121111002611 is 11620011112111.

It is a weak prime.

It is an emirp because it is prime and its reverse (11620011112111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11121111002611 - 2⁷ = 11121111002483 is a prime.

It is not a weakly prime, because it can be changed into another prime (11121111042611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560555501305 + 5560555501306.

It is an arithmetic number, because the mean of its divisors is an integer number (5560555501306).

Almost surely, 2^{11121111002611} is an apocalyptic number.

11121111002611 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121111002611 is an equidigital number, since it uses as much as digits as its factorization.

11121111002611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 19.

Adding to 11121111002611 its reverse (11620011112111), we get a palindrome (22741122114722).

The spelling of 11121111002611 in words is "eleven trillion, one hundred twenty-one billion, one hundred eleven million, two thousand, six hundred eleven".