421034003101 has 4 divisors (see below), whose sum is σ = 425374559932. Its totient is φ = 416693446272.

The previous prime is 421034003021. The next prime is 421034003123. The reversal of 421034003101 is 101300430124.

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 313695207225 + 107338795876 = 560085^2 + 327626^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421034003101 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 (421034003191) 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, 2170278270 + ... + 2170278463.

It is an arithmetic number, because the mean of its divisors is an integer number (106343639983).

Almost surely, 2^421034003101 is an apocalyptic number.

It is an amenable number.

421034003101 is a deficient number, since it is larger than the sum of its proper divisors (4340556831).

421034003101 is an equidigital number, since it uses as much as digits as its factorization.

421034003101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4340556830.

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

Adding to 421034003101 its reverse (101300430124), we get a palindrome (522334433225).

The spelling of 421034003101 in words is "four hundred twenty-one billion, thirty-four million, three thousand, one hundred one".