420043310101 has 4 divisors (see below), whose sum is σ = 420069275712. Its totient is φ = 420017344492.

The previous prime is 420043310081. The next prime is 420043310111. The reversal of 420043310101 is 101013340024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 420043310101 - 2¹⁷ = 420043179029 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 (420043310111) 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, 12958525 + ... + 12990898.

It is an arithmetic number, because the mean of its divisors is an integer number (105017318928).

Almost surely, 2^420043310101 is an apocalyptic number.

It is an amenable number.

420043310101 is a deficient number, since it is larger than the sum of its proper divisors (25965611).

420043310101 is a wasteful number, since it uses less digits than its factorization.

420043310101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25965610.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 420043310101 its reverse (101013340024), we get a palindrome (521056650125).

The spelling of 420043310101 in words is "four hundred twenty billion, forty-three million, three hundred ten thousand, one hundred one".