11221140441 has 32 divisors (see below), whose sum is σ = 18012810240. Its totient is φ = 6069881664.

The previous prime is 11221140421. The next prime is 11221140461. The reversal of 11221140441 is 14404112211.

11221140441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11221140421) and next prime (11221140461).

It is not a de Polignac number, because 11221140441 - 2⁷ = 11221140313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (11221140421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 537586 + ... + 558068.

It is an arithmetic number, because the mean of its divisors is an integer number (562900320).

Almost surely, 2^11221140441 is an apocalyptic number.

It is an amenable number.

11221140441 is a deficient number, since it is larger than the sum of its proper divisors (6791669799).

11221140441 is a wasteful number, since it uses less digits than its factorization.

11221140441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21885.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 11221140441 its reverse (14404112211), we get a palindrome (25625252652).

The spelling of 11221140441 in words is "eleven billion, two hundred twenty-one million, one hundred forty thousand, four hundred forty-one".