111321107 has 2 divisors, whose sum is σ = 111321108. Its totient is φ = 111321106.

The previous prime is 111321097. The next prime is 111321121. The reversal of 111321107 is 701123111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111321107 - 2¹⁸ = 111058963 is a prime.

It is not a weakly prime, because it can be changed into another prime (111321137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55660553 + 55660554.

It is an arithmetic number, because the mean of its divisors is an integer number (55660554).

Almost surely, 2^111321107 is an apocalyptic number.

111321107 is a deficient number, since it is larger than the sum of its proper divisors (1).

111321107 is an equidigital number, since it uses as much as digits as its factorization.

111321107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 17.

The square root of 111321107 is about 10550.8818114886. The cubic root of 111321107 is about 481.0525326476.

Adding to 111321107 its reverse (701123111), we get a palindrome (812444218).

The spelling of 111321107 in words is "one hundred eleven million, three hundred twenty-one thousand, one hundred seven".