118422011 has 2 divisors, whose sum is σ = 118422012. Its totient is φ = 118422010.

The previous prime is 118421977. The next prime is 118422047. The reversal of 118422011 is 110224811.

It is a weak prime.

It is an emirp because it is prime and its reverse (110224811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118422011 - 2¹⁴ = 118405627 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (118422061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59211005 + 59211006.

It is an arithmetic number, because the mean of its divisors is an integer number (59211006).

Almost surely, 2^118422011 is an apocalyptic number.

118422011 is a deficient number, since it is larger than the sum of its proper divisors (1).

118422011 is an equidigital number, since it uses as much as digits as its factorization.

118422011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 118422011 is about 10882.1877855512. The cubic root of 118422011 is about 491.0708373372.

Adding to 118422011 its reverse (110224811), we get a palindrome (228646822).

The spelling of 118422011 in words is "one hundred eighteen million, four hundred twenty-two thousand, eleven".