420001102201 has 4 divisors (see below), whose sum is σ = 438262019712. Its totient is φ = 401740184692.

The previous prime is 420001102193. The next prime is 420001102229. The reversal of 420001102201 is 102201100024.

It is a happy number.

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 420001102201 - 2³ = 420001102193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420001102901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9130458721 + ... + 9130458766.

It is an arithmetic number, because the mean of its divisors is an integer number (109565504928).

Almost surely, 2^420001102201 is an apocalyptic number.

It is an amenable number.

420001102201 is a deficient number, since it is larger than the sum of its proper divisors (18260917511).

420001102201 is a wasteful number, since it uses less digits than its factorization.

420001102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18260917510.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 420001102201 its reverse (102201100024), we get a palindrome (522202202225).

The spelling of 420001102201 in words is "four hundred twenty billion, one million, one hundred two thousand, two hundred one".