421044211 has 12 divisors (see below), whose sum is σ = 501734520. Its totient is φ = 352091040.

The previous prime is 421044203. The next prime is 421044257. The reversal of 421044211 is 112440124.

It is not a de Polignac number, because 421044211 - 2³ = 421044203 is a prime.

It is a super-2 number, since 2×421044211² = 354556455233225042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421045211) 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 11 ways as a sum of consecutive naturals, for example, 102781 + ... + 106798.

It is an arithmetic number, because the mean of its divisors is an integer number (41811210).

Almost surely, 2^421044211 is an apocalyptic number.

421044211 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

421044211 is a deficient number, since it is larger than the sum of its proper divisors (80690309).

421044211 is a wasteful number, since it uses less digits than its factorization.

421044211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209634 (or 209627 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 421044211 is about 20519.3618565490. The cubic root of 421044211 is about 749.5073570674.

Adding to 421044211 its reverse (112440124), we get a palindrome (533484335).

The spelling of 421044211 in words is "four hundred twenty-one million, forty-four thousand, two hundred eleven".