1112121107 has 2 divisors, whose sum is σ = 1112121108. Its totient is φ = 1112121106.

The previous prime is 1112121103. The next prime is 1112121161. The reversal of 1112121107 is 7011212111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1112121107 - 2² = 1112121103 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112121103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556060553 + 556060554.

It is an arithmetic number, because the mean of its divisors is an integer number (556060554).

Almost surely, 2^1112121107 is an apocalyptic number.

1112121107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112121107 is an equidigital number, since it uses as much as digits as its factorization.

1112121107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 17.

The square root of 1112121107 is about 33348.4798304211. The cubic root of 1112121107 is about 1036.0579028151.

Adding to 1112121107 its reverse (7011212111), we get a palindrome (8123333218).

The spelling of 1112121107 in words is "one billion, one hundred twelve million, one hundred twenty-one thousand, one hundred seven".