421202124413351 has 4 divisors (see below), whose sum is σ = 421202821621704. Its totient is φ = 421201427205000.

The previous prime is 421202124413341. The next prime is 421202124413377. The reversal of 421202124413351 is 153314421202124.

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 421202124413351 - 2²⁶ = 421202057304487 is a prime.

It is a super-2 number, since 2×421202124413351² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421202124413341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347697200 + ... + 348906501.

It is an arithmetic number, because the mean of its divisors is an integer number (105300705405426).

Almost surely, 2^{421202124413351} is an apocalyptic number.

421202124413351 is a deficient number, since it is larger than the sum of its proper divisors (697208353).

421202124413351 is an equidigital number, since it uses as much as digits as its factorization.

421202124413351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697208352.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 421202124413351 its reverse (153314421202124), we get a palindrome (574516545615475).

The spelling of 421202124413351 in words is "four hundred twenty-one trillion, two hundred two billion, one hundred twenty-four million, four hundred thirteen thousand, three hundred fifty-one".