1101200011 has 4 divisors (see below), whose sum is σ = 1136722624. Its totient is φ = 1065677400.

The previous prime is 1101199997. The next prime is 1101200033. The reversal of 1101200011 is 1100021011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1101200011 - 2¹¹ = 1101197963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101199967 and 1101200003.

It is not an unprimeable number, because it can be changed into a prime (1101200311) 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, 17761260 + ... + 17761321.

It is an arithmetic number, because the mean of its divisors is an integer number (284180656).

Almost surely, 2^1101200011 is an apocalyptic number.

1101200011 is a deficient number, since it is larger than the sum of its proper divisors (35522613).

1101200011 is an equidigital number, since it uses as much as digits as its factorization.

1101200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35522612.

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

The square root of 1101200011 is about 33184.3338188369. Note that the first 3 decimals coincide. The cubic root of 1101200011 is about 1032.6553570651.

Adding to 1101200011 its reverse (1100021011), we get a palindrome (2201221022).

The spelling of 1101200011 in words is "one billion, one hundred one million, two hundred thousand, eleven".