11233012211 has 4 divisors (see below), whose sum is σ = 11824223400. Its totient is φ = 10641801024.

The previous prime is 11233012181. The next prime is 11233012247. The reversal of 11233012211 is 11221033211.

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 11233012211 - 2¹⁴ = 11232995827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11233012211.

It is not an unprimeable number, because it can be changed into a prime (11233012411) 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, 295605566 + ... + 295605603.

It is an arithmetic number, because the mean of its divisors is an integer number (2956055850).

Almost surely, 2^11233012211 is an apocalyptic number.

11233012211 is a deficient number, since it is larger than the sum of its proper divisors (591211189).

11233012211 is an equidigital number, since it uses as much as digits as its factorization.

11233012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591211188.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11233012211 its reverse (11221033211), we get a palindrome (22454045422).

The spelling of 11233012211 in words is "eleven billion, two hundred thirty-three million, twelve thousand, two hundred eleven".