421210144333103 has 4 divisors (see below), whose sum is σ = 421247422877400. Its totient is φ = 421172865788808.

The previous prime is 421210144333093. The next prime is 421210144333133. The reversal of 421210144333103 is 301333441012124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 421210144333103 - 2¹⁰ = 421210144332079 is a prime.

It is a super-2 number, since 2×421210144333103² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 421210144333103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421210144333133) 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, 18639255200 + ... + 18639277797.

It is an arithmetic number, because the mean of its divisors is an integer number (105311855719350).

Almost surely, 2^{421210144333103} is an apocalyptic number.

421210144333103 is a deficient number, since it is larger than the sum of its proper divisors (37278544297).

421210144333103 is a wasteful number, since it uses less digits than its factorization.

421210144333103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37278544296.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 421210144333103 its reverse (301333441012124), we get a palindrome (722543585345227).

The spelling of 421210144333103 in words is "four hundred twenty-one trillion, two hundred ten billion, one hundred forty-four million, three hundred thirty-three thousand, one hundred three".