1120001111 has 2 divisors, whose sum is σ = 1120001112. Its totient is φ = 1120001110.

The previous prime is 1120001107. The next prime is 1120001119. The reversal of 1120001111 is 1111000211.

It is a happy number.

It is an a-pointer prime, because the next prime (1120001119) can be obtained adding 1120001111 to its sum of digits (8).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1120001111 - 2² = 1120001107 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120001119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560000555 + 560000556.

It is an arithmetic number, because the mean of its divisors is an integer number (560000556).

Almost surely, 2^1120001111 is an apocalyptic number.

1120001111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120001111 is an equidigital number, since it uses as much as digits as its factorization.

1120001111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2, while the sum is 8.

The square root of 1120001111 is about 33466.4176600962. The cubic root of 1120001111 is about 1038.4991637547.

Adding to 1120001111 its reverse (1111000211), we get a palindrome (2231001322).

The spelling of 1120001111 in words is "one billion, one hundred twenty million, one thousand, one hundred eleven".