1103211011 has 8 divisors (see below), whose sum is σ = 1304289120. Its totient is φ = 913002048.

The previous prime is 1103211001. The next prime is 1103211019. The reversal of 1103211011 is 1101123011.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-1103211011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103210983 and 1103211001.

It is not an unprimeable number, because it can be changed into a prime (1103211019) 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, 2717066 + ... + 2717471.

It is an arithmetic number, because the mean of its divisors is an integer number (163036140).

Almost surely, 2^1103211011 is an apocalyptic number.

1103211011 is a deficient number, since it is larger than the sum of its proper divisors (201078109).

1103211011 is an equidigital number, since it uses as much as digits as its factorization.

1103211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5434573.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 1103211011 is about 33214.6204404024. The cubic root of 1103211011 is about 1033.2835829557.

Adding to 1103211011 its reverse (1101123011), we get a palindrome (2204334022).

The spelling of 1103211011 in words is "one billion, one hundred three million, two hundred eleven thousand, eleven".