11211110441 has 4 divisors (see below), whose sum is σ = 11214069972. Its totient is φ = 11208150912.

The previous prime is 11211110429. The next prime is 11211110447. The reversal of 11211110441 is 14401111211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14401111211 = 157 ⋅91726823.

It can be written as a sum of positive squares in 2 ways, for example, as 1445520400 + 9765590041 = 38020^2 + 98821^2 .

It is a cyclic number.

It is not a de Polignac number, because 11211110441 - 2²⁶ = 11144001577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11211110447) 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, 1474076 + ... + 1481661.

It is an arithmetic number, because the mean of its divisors is an integer number (2803517493).

Almost surely, 2^11211110441 is an apocalyptic number.

It is an amenable number.

11211110441 is a deficient number, since it is larger than the sum of its proper divisors (2959531).

11211110441 is an equidigital number, since it uses as much as digits as its factorization.

11211110441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2959530.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11211110441 its reverse (14401111211), we get a palindrome (25612221652).

The spelling of 11211110441 in words is "eleven billion, two hundred eleven million, one hundred ten thousand, four hundred forty-one".