11001112211 has 6 divisors (see below), whose sum is σ = 11190735612. Its totient is φ = 10814649260.

The previous prime is 11001112207. The next prime is 11001112219. The reversal of 11001112211 is 11221110011.

It is not a de Polignac number, because 11001112211 - 2² = 11001112207 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 11001112192 and 11001112201.

It is not an unprimeable number, because it can be changed into a prime (11001112219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1576685 + ... + 1583646.

It is an arithmetic number, because the mean of its divisors is an integer number (1865122602).

Almost surely, 2^11001112211 is an apocalyptic number.

11001112211 is a deficient number, since it is larger than the sum of its proper divisors (189623401).

11001112211 is an frugal number, since it uses more digits than its factorization.

11001112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3160449 (or 3160390 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11001112211 its reverse (11221110011), we get a palindrome (22222222222).

The spelling of 11001112211 in words is "eleven billion, one million, one hundred twelve thousand, two hundred eleven".