421211004441 has 8 divisors (see below), whose sum is σ = 561618009024. Its totient is φ = 280805668080.

The previous prime is 421211004421. The next prime is 421211004451. The reversal of 421211004441 is 144400112124.

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

It is not a de Polignac number, because 421211004441 - 2⁹ = 421211003929 is a prime.

It is a super-2 number, since 2×421211004441² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421211004421) 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, 401740 + ... + 1001906.

It is an arithmetic number, because the mean of its divisors is an integer number (70202251128).

Almost surely, 2^421211004441 is an apocalyptic number.

It is an amenable number.

421211004441 is a deficient number, since it is larger than the sum of its proper divisors (140407004583).

421211004441 is a wasteful number, since it uses less digits than its factorization.

421211004441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834111.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 421211004441 its reverse (144400112124), we get a palindrome (565611116565).

The spelling of 421211004441 in words is "four hundred twenty-one billion, two hundred eleven million, four thousand, four hundred forty-one".