1144122011 has 2 divisors, whose sum is σ = 1144122012. Its totient is φ = 1144122010.

The previous prime is 1144121989. The next prime is 1144122013. The reversal of 1144122011 is 1102214411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1144122011 - 2¹⁸ = 1143859867 is a prime.

Together with 1144122013, 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 (1144122013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572061005 + 572061006.

It is an arithmetic number, because the mean of its divisors is an integer number (572061006).

Almost surely, 2^1144122011 is an apocalyptic number.

1144122011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144122011 is an equidigital number, since it uses as much as digits as its factorization.

1144122011 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1144122011 is about 33824.8726679052. The cubic root of 1144122011 is about 1045.9014865416.

Adding to 1144122011 its reverse (1102214411), we get a palindrome (2246336422).

The spelling of 1144122011 in words is "one billion, one hundred forty-four million, one hundred twenty-two thousand, eleven".