420043100201421 has 16 divisors (see below), whose sum is σ = 560108167993920. Its totient is φ = 280003384103040.

The previous prime is 420043100201407. The next prime is 420043100201441. The reversal of 420043100201421 is 124102001340024.

It is not a de Polignac number, because 420043100201421 - 2⁷ = 420043100201293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420043100201391 and 420043100201400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420043100201441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1742702911 + ... + 1742943923.

It is an arithmetic number, because the mean of its divisors is an integer number (35006760499620).

Almost surely, 2^{420043100201421} is an apocalyptic number.

It is an amenable number.

420043100201421 is a deficient number, since it is larger than the sum of its proper divisors (140065067792499).

420043100201421 is a wasteful number, since it uses less digits than its factorization.

420043100201421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291196.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 420043100201421 its reverse (124102001340024), we get a palindrome (544145101541445).

The spelling of 420043100201421 in words is "four hundred twenty trillion, forty-three billion, one hundred million, two hundred one thousand, four hundred twenty-one".