421055211 has 8 divisors (see below), whose sum is σ = 570922560. Its totient is φ = 275945672.

The previous prime is 421055207. The next prime is 421055251. The reversal of 421055211 is 112550124.

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

It is a cyclic number.

It is not a de Polignac number, because 421055211 - 2² = 421055207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421055251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1189245 + ... + 1189598.

It is an arithmetic number, because the mean of its divisors is an integer number (71365320).

Almost surely, 2^421055211 is an apocalyptic number.

421055211 is a deficient number, since it is larger than the sum of its proper divisors (149867349).

421055211 is a wasteful number, since it uses less digits than its factorization.

421055211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2378905.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 421055211 is about 20519.6298943231. The cubic root of 421055211 is about 749.5138841010.

The spelling of 421055211 in words is "four hundred twenty-one million, fifty-five thousand, two hundred eleven".