420110111211473 has 2 divisors, whose sum is σ = 420110111211474. Its totient is φ = 420110111211472.

The previous prime is 420110111211457. The next prime is 420110111211563. The reversal of 420110111211473 is 374112111011024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 412857819123409 + 7252292088064 = 20318903^2 + 2693008^2 .

It is a cyclic number.

It is not a de Polignac number, because 420110111211473 - 2⁴ = 420110111211457 is a prime.

It is a super-3 number, since 3×420110111211473³ (a number of 45 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (420110111211403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210055055605736 + 210055055605737.

It is an arithmetic number, because the mean of its divisors is an integer number (210055055605737).

Almost surely, 2^{420110111211473} is an apocalyptic number.

It is an amenable number.

420110111211473 is a deficient number, since it is larger than the sum of its proper divisors (1).

420110111211473 is an equidigital number, since it uses as much as digits as its factorization.

420110111211473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 29.

Adding to 420110111211473 its reverse (374112111011024), we get a palindrome (794222222222497).

The spelling of 420110111211473 in words is "four hundred twenty trillion, one hundred ten billion, one hundred eleven million, two hundred eleven thousand, four hundred seventy-three".