111111111210007 has 2 divisors, whose sum is σ = 111111111210008. Its totient is φ = 111111111210006.

The previous prime is 111111111209977. The next prime is 111111111210013. The reversal of 111111111210007 is 700012111111111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111111111210007 - 2¹⁵ = 111111111177239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111111111211007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555555605003 + 55555555605004.

It is an arithmetic number, because the mean of its divisors is an integer number (55555555605004).

Almost surely, 2^{111111111210007} is an apocalyptic number.

111111111210007 is a deficient number, since it is larger than the sum of its proper divisors (1).

111111111210007 is an equidigital number, since it uses as much as digits as its factorization.

111111111210007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14, while the sum is 19.

Adding to 111111111210007 its reverse (700012111111111), we get a palindrome (811123222321118).

The spelling of 111111111210007 in words is "one hundred eleven trillion, one hundred eleven billion, one hundred eleven million, two hundred ten thousand, seven".