11221111210207 has 2 divisors, whose sum is σ = 11221111210208. Its totient is φ = 11221111210206.

The previous prime is 11221111210181. The next prime is 11221111210297. The reversal of 11221111210207 is 70201211112211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11221111210207 - 2²⁷ = 11220976992479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11221111210297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610555605103 + 5610555605104.

It is an arithmetic number, because the mean of its divisors is an integer number (5610555605104).

Almost surely, 2^{11221111210207} is an apocalyptic number.

11221111210207 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221111210207 is an equidigital number, since it uses as much as digits as its factorization.

11221111210207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 22.

Adding to 11221111210207 its reverse (70201211112211), we get a palindrome (81422322322418).

The spelling of 11221111210207 in words is "eleven trillion, two hundred twenty-one billion, one hundred eleven million, two hundred ten thousand, two hundred seven".