11211441 has 4 divisors (see below), whose sum is σ = 14948592. Its totient is φ = 7474292.

The previous prime is 11211439. The next prime is 11211457. The reversal of 11211441 is 14411211.

11211441 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, and also an emirpimes, since its reverse is a distinct semiprime: 14411211 = 3 ⋅4803737.

It is a cyclic number.

It is not a de Polignac number, because 11211441 - 2¹ = 11211439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11211441.

It is not an unprimeable number, because it can be changed into a prime (11211401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1868571 + ... + 1868576.

It is an arithmetic number, because the mean of its divisors is an integer number (3737148).

Almost surely, 2^11211441 is an apocalyptic number.

It is an amenable number.

11211441 is a deficient number, since it is larger than the sum of its proper divisors (3737151).

11211441 is an equidigital number, since it uses as much as digits as its factorization.

11211441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3737150.

The product of its digits is 32, while the sum is 15.

The square root of 11211441 is about 3348.3489961472. The cubic root of 11211441 is about 223.8139465386.

Adding to 11211441 its reverse (14411211), we get a palindrome (25622652).

The spelling of 11211441 in words is "eleven million, two hundred eleven thousand, four hundred forty-one".