11203011211 has 32 divisors (see below), whose sum is σ = 13689123840. Its totient is φ = 8954717184.

The previous prime is 11203011187. The next prime is 11203011221. The reversal of 11203011211 is 11211030211.

It is a happy number.

It is not a de Polignac number, because 11203011211 - 2⁵ = 11203011179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11203011191 and 11203011200.

It is not an unprimeable number, because it can be changed into a prime (11203011221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7213011 + ... + 7214563.

It is an arithmetic number, because the mean of its divisors is an integer number (427785120).

Almost surely, 2^11203011211 is an apocalyptic number.

11203011211 is a deficient number, since it is larger than the sum of its proper divisors (2486112629).

11203011211 is a wasteful number, since it uses less digits than its factorization.

11203011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11203011211 its reverse (11211030211), we get a palindrome (22414041422).

The spelling of 11203011211 in words is "eleven billion, two hundred three million, eleven thousand, two hundred eleven".