11112111011123 has 2 divisors, whose sum is σ = 11112111011124. Its totient is φ = 11112111011122.

The previous prime is 11112111011059. The next prime is 11112111011129. The reversal of 11112111011123 is 32111011121111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11112111011123 - 2⁶ = 11112111011059 is a prime.

It is a super-2 number, since 2×11112111011123² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11112111011129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556055505561 + 5556055505562.

It is an arithmetic number, because the mean of its divisors is an integer number (5556055505562).

Almost surely, 2^{11112111011123} is an apocalyptic number.

11112111011123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112111011123 is an equidigital number, since it uses as much as digits as its factorization.

11112111011123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 17.

Adding to 11112111011123 its reverse (32111011121111), we get a palindrome (43223122132234).

The spelling of 11112111011123 in words is "eleven trillion, one hundred twelve billion, one hundred eleven million, eleven thousand, one hundred twenty-three".