18022412101 has 2 divisors, whose sum is σ = 18022412102. Its totient is φ = 18022412100.

The previous prime is 18022412053. The next prime is 18022412129. The reversal of 18022412101 is 10121422081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16059479076 + 1962933025 = 126726^2 + 44305^2 .

It is an emirp because it is prime and its reverse (10121422081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18022412101 - 2¹⁷ = 18022281029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18022412131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9011206050 + 9011206051.

It is an arithmetic number, because the mean of its divisors is an integer number (9011206051).

Almost surely, 2^18022412101 is an apocalyptic number.

It is an amenable number.

18022412101 is a deficient number, since it is larger than the sum of its proper divisors (1).

18022412101 is an equidigital number, since it uses as much as digits as its factorization.

18022412101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 18022412101 its reverse (10121422081), we get a palindrome (28143834182).

The spelling of 18022412101 in words is "eighteen billion, twenty-two million, four hundred twelve thousand, one hundred one".