11202441121 has 4 divisors (see below), whose sum is σ = 11238462144. Its totient is φ = 11166420100.

The previous prime is 11202441113. The next prime is 11202441149. The reversal of 11202441121 is 12114420211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12114420211 = 2719 ⋅4455469.

It is a cyclic number.

It is not a de Polignac number, because 11202441121 - 2³ = 11202441113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11202441421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18010045 + ... + 18010666.

It is an arithmetic number, because the mean of its divisors is an integer number (2809615536).

Almost surely, 2^11202441121 is an apocalyptic number.

It is an amenable number.

11202441121 is a deficient number, since it is larger than the sum of its proper divisors (36021023).

11202441121 is an equidigital number, since it uses as much as digits as its factorization.

11202441121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36021022.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11202441121 its reverse (12114420211), we get a palindrome (23316861332).

The spelling of 11202441121 in words is "eleven billion, two hundred two million, four hundred forty-one thousand, one hundred twenty-one".