11222221112107 has 2 divisors, whose sum is σ = 11222221112108. Its totient is φ = 11222221112106.

The previous prime is 11222221111973. The next prime is 11222221112143. The reversal of 11222221112107 is 70121112222211.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (70121112222211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11222221112107 is a prime.

It is not a weakly prime, because it can be changed into another prime (11222201112107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611110556053 + 5611110556054.

It is an arithmetic number, because the mean of its divisors is an integer number (5611110556054).

Almost surely, 2^{11222221112107} is an apocalyptic number.

11222221112107 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222221112107 is an equidigital number, since it uses as much as digits as its factorization.

11222221112107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 25.

Adding to 11222221112107 its reverse (70121112222211), we get a palindrome (81343333334318).

The spelling of 11222221112107 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty-one million, one hundred twelve thousand, one hundred seven".