1100002111 has 4 divisors (see below), whose sum is σ = 1184617672. Its totient is φ = 1015386552.

The previous prime is 1100002097. The next prime is 1100002129. The reversal of 1100002111 is 1112000011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1112000011 = 3557 ⋅312623.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100002111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100002094 and 1100002103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100002411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42307761 + ... + 42307786.

It is an arithmetic number, because the mean of its divisors is an integer number (296154418).

Almost surely, 2^1100002111 is an apocalyptic number.

1100002111 is a deficient number, since it is larger than the sum of its proper divisors (84615561).

1100002111 is an equidigital number, since it uses as much as digits as its factorization.

1100002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84615560.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 1100002111 is about 33166.2797280612. The cubic root of 1100002111 is about 1032.2807758024.

Adding to 1100002111 its reverse (1112000011), we get a palindrome (2212002122).

The spelling of 1100002111 in words is "one billion, one hundred million, two thousand, one hundred eleven".