11213011 has 4 divisors (see below), whose sum is σ = 11223000. Its totient is φ = 11203024.

The previous prime is 11212997. The next prime is 11213057. The reversal of 11213011 is 11031211.

11213011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 11031211 = 257 ⋅42923.

It is a cyclic number.

It is not a de Polignac number, because 11213011 - 2¹⁹ = 10688723 is a prime.

It is a super-2 number, since 2×11213011² = 251463231372242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11213071) 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, 3061 + ... + 5638.

It is an arithmetic number, because the mean of its divisors is an integer number (2805750).

Almost surely, 2^11213011 is an apocalyptic number.

11213011 is a deficient number, since it is larger than the sum of its proper divisors (9989).

11213011 is an equidigital number, since it uses as much as digits as its factorization.

11213011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9988.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 11213011 is about 3348.5834318410. The cubic root of 11213011 is about 223.8243933520.

Adding to 11213011 its reverse (11031211), we get a palindrome (22244222).

The spelling of 11213011 in words is "eleven million, two hundred thirteen thousand, eleven".