18114101 has 2 divisors, whose sum is σ = 18114102. Its totient is φ = 18114100.

The previous prime is 18114097. The next prime is 18114149. The reversal of 18114101 is 10141181.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17859076 + 255025 = 4226^2 + 505^2 .

It is an emirp because it is prime and its reverse (10141181) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18114101 - 2² = 18114097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18114101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18110101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9057050 + 9057051.

It is an arithmetic number, because the mean of its divisors is an integer number (9057051).

Almost surely, 2^18114101 is an apocalyptic number.

It is an amenable number.

18114101 is a deficient number, since it is larger than the sum of its proper divisors (1).

18114101 is an equidigital number, since it uses as much as digits as its factorization.

18114101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

The square root of 18114101 is about 4256.0663763621. The cubic root of 18114101 is about 262.6267312475.

Adding to 18114101 its reverse (10141181), we get a palindrome (28255282).

The spelling of 18114101 in words is "eighteen million, one hundred fourteen thousand, one hundred one".