420334041224101 has 4 divisors (see below), whose sum is σ = 420670577687500. Its totient is φ = 419997504760704.

The previous prime is 420334041224057. The next prime is 420334041224143. The reversal of 420334041224101 is 101422140433024.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 316755099688225 + 103578941535876 = 17797615^2 + 10177374^2 .

It is a cyclic number.

It is not a de Polignac number, because 420334041224101 - 2¹³ = 420334041215909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420334041224701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168268229826 + ... + 168268232323.

It is an arithmetic number, because the mean of its divisors is an integer number (105167644421875).

Almost surely, 2^{420334041224101} is an apocalyptic number.

It is an amenable number.

420334041224101 is a deficient number, since it is larger than the sum of its proper divisors (336536463399).

420334041224101 is a wasteful number, since it uses less digits than its factorization.

420334041224101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336536463398.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 420334041224101 its reverse (101422140433024), we get a palindrome (521756181657125).

The spelling of 420334041224101 in words is "four hundred twenty trillion, three hundred thirty-four billion, forty-one million, two hundred twenty-four thousand, one hundred one".