420421103141 has 4 divisors (see below), whose sum is σ = 452761188012. Its totient is φ = 388081018272.

The previous prime is 420421103119. The next prime is 420421103147. The reversal of 420421103141 is 141301124024.

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 53845346116 + 366575757025 = 232046^2 + 605455^2 .

It is a cyclic number.

It is not a de Polignac number, because 420421103141 - 2¹⁰ = 420421102117 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 (420421103147) 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 in 3 ways as a sum of consecutive naturals, for example, 16170042416 + ... + 16170042441.

It is an arithmetic number, because the mean of its divisors is an integer number (113190297003).

Almost surely, 2^420421103141 is an apocalyptic number.

It is an amenable number.

420421103141 is a deficient number, since it is larger than the sum of its proper divisors (32340084871).

420421103141 is a wasteful number, since it uses less digits than its factorization.

420421103141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32340084870.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 420421103141 its reverse (141301124024), we get a palindrome (561722227165).

The spelling of 420421103141 in words is "four hundred twenty billion, four hundred twenty-one million, one hundred three thousand, one hundred forty-one".