1121222411 has 2 divisors, whose sum is σ = 1121222412. Its totient is φ = 1121222410.

The previous prime is 1121222407. The next prime is 1121222413. The reversal of 1121222411 is 1142221211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121222411 - 2² = 1121222407 is a prime.

Together with 1121222413, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1121222411.

It is not a weakly prime, because it can be changed into another prime (1121222413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560611205 + 560611206.

It is an arithmetic number, because the mean of its divisors is an integer number (560611206).

Almost surely, 2^1121222411 is an apocalyptic number.

1121222411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121222411 is an equidigital number, since it uses as much as digits as its factorization.

1121222411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64, while the sum is 17.

The square root of 1121222411 is about 33484.6593382701. The cubic root of 1121222411 is about 1038.8765021592.

Adding to 1121222411 its reverse (1142221211), we get a palindrome (2263443622).

The spelling of 1121222411 in words is "one billion, one hundred twenty-one million, two hundred twenty-two thousand, four hundred eleven".