11112321441 has 16 divisors (see below), whose sum is σ = 15958575360. Its totient is φ = 6837313920.

The previous prime is 11112321433. The next prime is 11112321461. The reversal of 11112321441 is 14412321111.

It is not a de Polignac number, because 11112321441 - 2³ = 11112321433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11112321461) 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, 298765 + ... + 333893.

It is an arithmetic number, because the mean of its divisors is an integer number (997410960).

Almost surely, 2^11112321441 is an apocalyptic number.

It is an amenable number.

11112321441 is a deficient number, since it is larger than the sum of its proper divisors (4846253919).

11112321441 is a wasteful number, since it uses less digits than its factorization.

11112321441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43256.

The product of its digits is 192, while the sum is 21.

Adding to 11112321441 its reverse (14412321111), we get a palindrome (25524642552).

The spelling of 11112321441 in words is "eleven billion, one hundred twelve million, three hundred twenty-one thousand, four hundred forty-one".