1121434211 has 2 divisors, whose sum is σ = 1121434212. Its totient is φ = 1121434210.

The previous prime is 1121434199. The next prime is 1121434213. The reversal of 1121434211 is 1124341211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121434211 - 2¹⁴ = 1121417827 is a prime.

It is a super-2 number, since 2×1121434211² = 2515229379202385042, which contains 22 as substring.

Together with 1121434213, 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 (1121434213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560717105 + 560717106.

It is an arithmetic number, because the mean of its divisors is an integer number (560717106).

Almost surely, 2^1121434211 is an apocalyptic number.

1121434211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121434211 is an equidigital number, since it uses as much as digits as its factorization.

1121434211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 20.

The square root of 1121434211 is about 33487.8218312269. The cubic root of 1121434211 is about 1038.9419129667.

Adding to 1121434211 its reverse (1124341211), we get a palindrome (2245775422).

The spelling of 1121434211 in words is "one billion, one hundred twenty-one million, four hundred thirty-four thousand, two hundred eleven".