111042667 has 2 divisors, whose sum is σ = 111042668. Its totient is φ = 111042666.

The previous prime is 111042611. The next prime is 111042671. The reversal of 111042667 is 766240111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111042667 is a prime.

It is not a weakly prime, because it can be changed into another prime (111042167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55521333 + 55521334.

It is an arithmetic number, because the mean of its divisors is an integer number (55521334).

Almost surely, 2^111042667 is an apocalyptic number.

111042667 is a deficient number, since it is larger than the sum of its proper divisors (1).

111042667 is an equidigital number, since it uses as much as digits as its factorization.

111042667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 111042667 is about 10537.6784445152. The cubic root of 111042667 is about 480.6511230033.

Adding to 111042667 its reverse (766240111), we get a palindrome (877282778).

The spelling of 111042667 in words is "one hundred eleven million, forty-two thousand, six hundred sixty-seven".