111122010221207 has 2 divisors, whose sum is σ = 111122010221208. Its totient is φ = 111122010221206.

The previous prime is 111122010221203. The next prime is 111122010221237. The reversal of 111122010221207 is 702122010221111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111122010221207 - 2² = 111122010221203 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111122010221203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55561005110603 + 55561005110604.

It is an arithmetic number, because the mean of its divisors is an integer number (55561005110604).

Almost surely, 2^{111122010221207} is an apocalyptic number.

111122010221207 is a deficient number, since it is larger than the sum of its proper divisors (1).

111122010221207 is an equidigital number, since it uses as much as digits as its factorization.

111122010221207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 111122010221207 its reverse (702122010221111), we get a palindrome (813244020442318).

The spelling of 111122010221207 in words is "one hundred eleven trillion, one hundred twenty-two billion, ten million, two hundred twenty-one thousand, two hundred seven".