11212443441 has 16 divisors (see below), whose sum is σ = 16621118400. Its totient is φ = 7470421344.

The previous prime is 11212443433. The next prime is 11212443467. The reversal of 11212443441 is 14434421211.

11212443441 is a `hidden beast` number, since 1 + 1 + 212 + 4 + 4 + 3 + 441 = 666.

It is not a de Polignac number, because 11212443441 - 2³ = 11212443433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11212443491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80571 + ... + 170048.

It is an arithmetic number, because the mean of its divisors is an integer number (1038819900).

Almost surely, 2^11212443441 is an apocalyptic number.

It is an amenable number.

11212443441 is a deficient number, since it is larger than the sum of its proper divisors (5408674959).

11212443441 is a wasteful number, since it uses less digits than its factorization.

11212443441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252285 (or 252279 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

Adding to 11212443441 its reverse (14434421211), we get a palindrome (25646864652).

The spelling of 11212443441 in words is "eleven billion, two hundred twelve million, four hundred forty-three thousand, four hundred forty-one".