110120001221171 has 2 divisors, whose sum is σ = 110120001221172. Its totient is φ = 110120001221170.

The previous prime is 110120001221143. The next prime is 110120001221239. The reversal of 110120001221171 is 171122100021011.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (171122100021011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110120001221171 - 2¹⁸ = 110120000959027 is a prime.

It is a super-2 number, since 2×110120001221171² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (110120001221071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55060000610585 + 55060000610586.

It is an arithmetic number, because the mean of its divisors is an integer number (55060000610586).

Almost surely, 2^{110120001221171} is an apocalyptic number.

110120001221171 is a deficient number, since it is larger than the sum of its proper divisors (1).

110120001221171 is an equidigital number, since it uses as much as digits as its factorization.

110120001221171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 20.

Adding to 110120001221171 its reverse (171122100021011), we get a palindrome (281242101242182).

The spelling of 110120001221171 in words is "one hundred ten trillion, one hundred twenty billion, one million, two hundred twenty-one thousand, one hundred seventy-one".