11342224121 has 2 divisors, whose sum is σ = 11342224122. Its totient is φ = 11342224120.

The previous prime is 11342224093. The next prime is 11342224123. The reversal of 11342224121 is 12142224311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8124498496 + 3217725625 = 90136^2 + 56725^2 .

It is a cyclic number.

It is not a de Polignac number, because 11342224121 - 2⁶ = 11342224057 is a prime.

Together with 11342224123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11342224123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5671112060 + 5671112061.

It is an arithmetic number, because the mean of its divisors is an integer number (5671112061).

Almost surely, 2^11342224121 is an apocalyptic number.

It is an amenable number.

11342224121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11342224121 is an equidigital number, since it uses as much as digits as its factorization.

11342224121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 23.

Adding to 11342224121 its reverse (12142224311), we get a palindrome (23484448432).

The spelling of 11342224121 in words is "eleven billion, three hundred forty-two million, two hundred twenty-four thousand, one hundred twenty-one".