421101111224 has 16 divisors (see below), whose sum is σ = 791715991200. Its totient is φ = 209976846912.

The previous prime is 421101111199. The next prime is 421101111247. The reversal of 421101111224 is 422111101124.

It is a super-2 number, since 2×421101111224² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421101111196 and 421101111205.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 71710469 + ... + 71716340.

It is an arithmetic number, because the mean of its divisors is an integer number (49482249450).

Almost surely, 2^421101111224 is an apocalyptic number.

It is an amenable number.

421101111224 is a deficient number, since it is larger than the sum of its proper divisors (370614879976).

421101111224 is a wasteful number, since it uses less digits than its factorization.

421101111224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143427182 (or 143427178 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 421101111224 its reverse (422111101124), we get a palindrome (843212212348).

The spelling of 421101111224 in words is "four hundred twenty-one billion, one hundred one million, one hundred eleven thousand, two hundred twenty-four".