11221231441 has 16 divisors (see below), whose sum is σ = 12936294400. Its totient is φ = 9534445200.

The previous prime is 11221231433. The next prime is 11221231457. The reversal of 11221231441 is 14413212211.

It is not a de Polignac number, because 11221231441 - 2³ = 11221231433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11221234441) 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, 503860 + ... + 525658.

It is an arithmetic number, because the mean of its divisors is an integer number (808518400).

Almost surely, 2^11221231441 is an apocalyptic number.

It is an amenable number.

11221231441 is a deficient number, since it is larger than the sum of its proper divisors (1715062959).

11221231441 is a wasteful number, since it uses less digits than its factorization.

11221231441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22444.

The product of its digits is 384, while the sum is 22.

Adding to 11221231441 its reverse (14413212211), we get a palindrome (25634443652).

The spelling of 11221231441 in words is "eleven billion, two hundred twenty-one million, two hundred thirty-one thousand, four hundred forty-one".