11412444221 has 16 divisors (see below), whose sum is σ = 12711997440. Its totient is φ = 10196025840.

The previous prime is 11412444217. The next prime is 11412444227. The reversal of 11412444221 is 12244421411.

It is a cyclic number.

It is not a de Polignac number, because 11412444221 - 2² = 11412444217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11412444227) 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, 152885 + ... + 214938.

It is an arithmetic number, because the mean of its divisors is an integer number (794499840).

Almost surely, 2^11412444221 is an apocalyptic number.

It is an amenable number.

11412444221 is a deficient number, since it is larger than the sum of its proper divisors (1299553219).

11412444221 is a wasteful number, since it uses less digits than its factorization.

11412444221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367936.

The product of its digits is 2048, while the sum is 26.

Adding to 11412444221 its reverse (12244421411), we get a palindrome (23656865632).

The spelling of 11412444221 in words is "eleven billion, four hundred twelve million, four hundred forty-four thousand, two hundred twenty-one".