1112222121107 has 2 divisors, whose sum is σ = 1112222121108. Its totient is φ = 1112222121106.

The previous prime is 1112222121071. The next prime is 1112222121113. The reversal of 1112222121107 is 7011212222111.

Together with previous prime (1112222121071) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1112222121107 - 2⁸ = 1112222120851 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112221121107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556111060553 + 556111060554.

It is an arithmetic number, because the mean of its divisors is an integer number (556111060554).

Almost surely, 2^{1112222121107} is an apocalyptic number.

1112222121107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112222121107 is an equidigital number, since it uses as much as digits as its factorization.

1112222121107 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 1112222121107 its reverse (7011212222111), we get a palindrome (8123434343218).

The spelling of 1112222121107 in words is "one trillion, one hundred twelve billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred seven".