1111000001 has 8 divisors (see below), whose sum is σ = 1142308608. Its totient is φ = 1079892000.

The previous prime is 1110999983. The next prime is 1111000039. The reversal of 1111000001 is 1000001111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1111000001 - 2¹⁴ = 1110983617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111000081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38885 + ... + 61106.

It is an arithmetic number, because the mean of its divisors is an integer number (142788576).

Almost surely, 2^1111000001 is an apocalyptic number.

It is an amenable number.

1111000001 is a deficient number, since it is larger than the sum of its proper divisors (31308607).

1111000001 is an equidigital number, since it uses as much as digits as its factorization.

1111000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100303.

The product of its (nonzero) digits is 1, while the sum is 5.

The square root of 1111000001 is about 33331.6666399987. Note that the first 4 decimals coincide. The cubic root of 1111000001 is about 1035.7096430055.

Adding to 1111000001 its reverse (1000001111), we get a palindrome (2111001112).

It can be divided in two parts, 111 and 1000001, that multiplied together give a palindrome (111000111).

The spelling of 1111000001 in words is "one billion, one hundred eleven million, one", and thus it is an aban number.