11112211010207 has 2 divisors, whose sum is σ = 11112211010208. Its totient is φ = 11112211010206.

The previous prime is 11112211010191. The next prime is 11112211010227. The reversal of 11112211010207 is 70201011221111.

It is a happy number.

It is an a-pointer prime, because the next prime (11112211010227) can be obtained adding 11112211010207 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11112211010207 - 2⁴ = 11112211010191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11112211010227) 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, 5556105505103 + 5556105505104.

It is an arithmetic number, because the mean of its divisors is an integer number (5556105505104).

Almost surely, 2^{11112211010207} is an apocalyptic number.

11112211010207 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112211010207 is an equidigital number, since it uses as much as digits as its factorization.

11112211010207 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 20.

Adding to 11112211010207 its reverse (70201011221111), we get a palindrome (81313222231318).

The spelling of 11112211010207 in words is "eleven trillion, one hundred twelve billion, two hundred eleven million, ten thousand, two hundred seven".