421033203141 has 4 divisors (see below), whose sum is σ = 561377604192. Its totient is φ = 280688802092.

The previous prime is 421033203113. The next prime is 421033203167. The reversal of 421033203141 is 141302330124.

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 421033203141 - 2⁵ = 421033203109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421033203641) 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, 70172200521 + ... + 70172200526.

It is an arithmetic number, because the mean of its divisors is an integer number (140344401048).

Almost surely, 2^421033203141 is an apocalyptic number.

It is an amenable number.

421033203141 is a deficient number, since it is larger than the sum of its proper divisors (140344401051).

421033203141 is a wasteful number, since it uses less digits than its factorization.

421033203141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140344401050.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 421033203141 its reverse (141302330124), we get a palindrome (562335533265).

The spelling of 421033203141 in words is "four hundred twenty-one billion, thirty-three million, two hundred three thousand, one hundred forty-one".