118211101 has 2 divisors, whose sum is σ = 118211102. Its totient is φ = 118211100.

The previous prime is 118211083. The next prime is 118211111. The reversal of 118211101 is 101112811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117722500 + 488601 = 10850^2 + 699^2 .

It is a cyclic number.

It is not a de Polignac number, because 118211101 - 2⁵ = 118211069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118211111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59105550 + 59105551.

It is an arithmetic number, because the mean of its divisors is an integer number (59105551).

Almost surely, 2^118211101 is an apocalyptic number.

It is an amenable number.

118211101 is a deficient number, since it is larger than the sum of its proper divisors (1).

118211101 is an equidigital number, since it uses as much as digits as its factorization.

118211101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 16.

The square root of 118211101 is about 10872.4928604253. The cubic root of 118211101 is about 490.7791311542.

Adding to 118211101 its reverse (101112811), we get a palindrome (219323912).

The spelling of 118211101 in words is "one hundred eighteen million, two hundred eleven thousand, one hundred one".