11031100211 has 4 divisors (see below), whose sum is σ = 11031310800. Its totient is φ = 11030889624.

The previous prime is 11031100189. The next prime is 11031100253. The reversal of 11031100211 is 11200113011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11200113011 = 53 ⋅211322887.

It is a cyclic number.

It is not a de Polignac number, because 11031100211 - 2¹⁸ = 11030838067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11031100192 and 11031100201.

It is not an unprimeable number, because it can be changed into a prime (11031100271) 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, 41450 + ... + 154208.

It is an arithmetic number, because the mean of its divisors is an integer number (2757827700).

Almost surely, 2^11031100211 is an apocalyptic number.

11031100211 is a deficient number, since it is larger than the sum of its proper divisors (210589).

11031100211 is an equidigital number, since it uses as much as digits as its factorization.

11031100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210588.

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

Adding to 11031100211 its reverse (11200113011), we get a palindrome (22231213222).

The spelling of 11031100211 in words is "eleven billion, thirty-one million, one hundred thousand, two hundred eleven".