11221100222207 has 2 divisors, whose sum is σ = 11221100222208. Its totient is φ = 11221100222206.

The previous prime is 11221100222177. The next prime is 11221100222221. The reversal of 11221100222207 is 70222200112211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11221100222207 - 2²⁰ = 11221099173631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11221100222107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610550111103 + 5610550111104.

It is an arithmetic number, because the mean of its divisors is an integer number (5610550111104).

Almost surely, 2^{11221100222207} is an apocalyptic number.

11221100222207 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221100222207 is an equidigital number, since it uses as much as digits as its factorization.

11221100222207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 11221100222207 its reverse (70222200112211), we get a palindrome (81443300334418).

The spelling of 11221100222207 in words is "eleven trillion, two hundred twenty-one billion, one hundred million, two hundred twenty-two thousand, two hundred seven".