111122011207 has 2 divisors, whose sum is σ = 111122011208. Its totient is φ = 111122011206.

The previous prime is 111122011171. The next prime is 111122011219. The reversal of 111122011207 is 702110221111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111122011207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111122011267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55561005603 + 55561005604.

It is an arithmetic number, because the mean of its divisors is an integer number (55561005604).

Almost surely, 2^111122011207 is an apocalyptic number.

111122011207 is a deficient number, since it is larger than the sum of its proper divisors (1).

111122011207 is an equidigital number, since it uses as much as digits as its factorization.

111122011207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 111122011207 its reverse (702110221111), we get a palindrome (813232232318).

The spelling of 111122011207 in words is "one hundred eleven billion, one hundred twenty-two million, eleven thousand, two hundred seven".