11221152441 has 8 divisors (see below), whose sum is σ = 15166489440. Its totient is φ = 7378291872.

The previous prime is 11221152433. The next prime is 11221152473. The reversal of 11221152441 is 14425112211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11221152441 - 2³ = 11221152433 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11221152401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25618851 + ... + 25619288.

It is an arithmetic number, because the mean of its divisors is an integer number (1895811180).

Almost surely, 2^11221152441 is an apocalyptic number.

It is an amenable number.

11221152441 is a deficient number, since it is larger than the sum of its proper divisors (3945336999).

11221152441 is an equidigital number, since it uses as much as digits as its factorization.

11221152441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51238215.

The product of its digits is 640, while the sum is 24.

Adding to 11221152441 its reverse (14425112211), we get a palindrome (25646264652).

The spelling of 11221152441 in words is "eleven billion, two hundred twenty-one million, one hundred fifty-two thousand, four hundred forty-one".