421205152453211 has 8 divisors (see below), whose sum is σ = 484330552164864. Its totient is φ = 358818061510440.

The previous prime is 421205152453153. The next prime is 421205152453247. The reversal of 421205152453211 is 112354251502124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 421205152453211 - 2³⁰ = 421204078711387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421205151453211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184577190995 + ... + 184577193276.

It is an arithmetic number, because the mean of its divisors is an integer number (60541319020608).

Almost surely, 2^{421205152453211} is an apocalyptic number.

421205152453211 is a deficient number, since it is larger than the sum of its proper divisors (63125399711653).

421205152453211 is a wasteful number, since it uses less digits than its factorization.

421205152453211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369154384441.

The product of its (nonzero) digits is 96000, while the sum is 38.

The spelling of 421205152453211 in words is "four hundred twenty-one trillion, two hundred five billion, one hundred fifty-two million, four hundred fifty-three thousand, two hundred eleven".