420110111224997 has 2 divisors, whose sum is σ = 420110111224998. Its totient is φ = 420110111224996.

The previous prime is 420110111224919. The next prime is 420110111225111. The reversal of 420110111224997 is 799422111011024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 418057971889156 + 2052139335841 = 20446466^2 + 1432529^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420110111224997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420110111224897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210055055612498 + 210055055612499.

It is an arithmetic number, because the mean of its divisors is an integer number (210055055612499).

Almost surely, 2^{420110111224997} is an apocalyptic number.

It is an amenable number.

420110111224997 is a deficient number, since it is larger than the sum of its proper divisors (1).

420110111224997 is an equidigital number, since it uses as much as digits as its factorization.

420110111224997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 420110111224997 in words is "four hundred twenty trillion, one hundred ten billion, one hundred eleven million, two hundred twenty-four thousand, nine hundred ninety-seven".