11224044121 has 2 divisors, whose sum is σ = 11224044122. Its totient is φ = 11224044120.

The previous prime is 11224044107. The next prime is 11224044131. The reversal of 11224044121 is 12144042211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9147966025 + 2076078096 = 95645^2 + 45564^2 .

It is a cyclic number.

It is not a de Polignac number, because 11224044121 - 2⁵ = 11224044089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11224044092 and 11224044101.

It is not a weakly prime, because it can be changed into another prime (11224044131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5612022060 + 5612022061.

It is an arithmetic number, because the mean of its divisors is an integer number (5612022061).

Almost surely, 2^11224044121 is an apocalyptic number.

It is an amenable number.

11224044121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11224044121 is an equidigital number, since it uses as much as digits as its factorization.

11224044121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 11224044121 its reverse (12144042211), we get a palindrome (23368086332).

The spelling of 11224044121 in words is "eleven billion, two hundred twenty-four million, forty-four thousand, one hundred twenty-one".