111011103323111 has 2 divisors, whose sum is σ = 111011103323112. Its totient is φ = 111011103323110.

The previous prime is 111011103323101. The next prime is 111011103323129. The reversal of 111011103323111 is 111323301110111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111011103323111 - 2⁶ = 111011103323047 is a prime.

It is a super-2 number, since 2×111011103323111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111011103323101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505551661555 + 55505551661556.

It is an arithmetic number, because the mean of its divisors is an integer number (55505551661556).

Almost surely, 2^{111011103323111} is an apocalyptic number.

111011103323111 is a deficient number, since it is larger than the sum of its proper divisors (1).

111011103323111 is an equidigital number, since it uses as much as digits as its factorization.

111011103323111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 20.

Adding to 111011103323111 its reverse (111323301110111), we get a palindrome (222334404433222).

The spelling of 111011103323111 in words is "one hundred eleven trillion, eleven billion, one hundred three million, three hundred twenty-three thousand, one hundred eleven".