110020020169 has 2 divisors, whose sum is σ = 110020020170. Its totient is φ = 110020020168.

The previous prime is 110020020139. The next prime is 110020020223. The reversal of 110020020169 is 961020020011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89109414144 + 20910606025 = 298512^2 + 144605^2 .

It is a cyclic number.

It is not a de Polignac number, because 110020020169 - 2¹⁹ = 110019495881 is a prime.

It is a super-2 number, since 2×110020020169² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (110020020139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55010010084 + 55010010085.

It is an arithmetic number, because the mean of its divisors is an integer number (55010010085).

Almost surely, 2^110020020169 is an apocalyptic number.

It is an amenable number.

110020020169 is a deficient number, since it is larger than the sum of its proper divisors (1).

110020020169 is an equidigital number, since it uses as much as digits as its factorization.

110020020169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 110020020169 in words is "one hundred ten billion, twenty million, twenty thousand, one hundred sixty-nine".