11211361 has 4 divisors (see below), whose sum is σ = 12812992. Its totient is φ = 9609732.

The previous prime is 11211359. The next prime is 11211377. The reversal of 11211361 is 16311211.

11211361 is digitally balanced in base 3, 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 Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11211361 - 2¹ = 11211359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11211331) 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, 800805 + ... + 800818.

It is an arithmetic number, because the mean of its divisors is an integer number (3203248).

Almost surely, 2^11211361 is an apocalyptic number.

It is an amenable number.

11211361 is a deficient number, since it is larger than the sum of its proper divisors (1601631).

11211361 is an equidigital number, since it uses as much as digits as its factorization.

11211361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601630.

The product of its digits is 36, while the sum is 16.

The square root of 11211361 is about 3348.3370499399. The cubic root of 11211361 is about 223.8134141908.

Adding to 11211361 its reverse (16311211), we get a palindrome (27522572).

The spelling of 11211361 in words is "eleven million, two hundred eleven thousand, three hundred sixty-one".