110421201169 has 2 divisors, whose sum is σ = 110421201170. Its totient is φ = 110421201168.

The previous prime is 110421201131. The next prime is 110421201229. The reversal of 110421201169 is 961102124011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62556512769 + 47864688400 = 250113^2 + 218780^2 .

It is a cyclic number.

It is not a de Polignac number, because 110421201169 - 2⁷ = 110421201041 is a prime.

It is a super-2 number, since 2×110421201169² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (110421201109) 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, 55210600584 + 55210600585.

It is an arithmetic number, because the mean of its divisors is an integer number (55210600585).

Almost surely, 2^110421201169 is an apocalyptic number.

It is an amenable number.

110421201169 is a deficient number, since it is larger than the sum of its proper divisors (1).

110421201169 is an equidigital number, since it uses as much as digits as its factorization.

110421201169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 110421201169 in words is "one hundred ten billion, four hundred twenty-one million, two hundred one thousand, one hundred sixty-nine".