421222110001044 has 48 divisors (see below), whose sum is σ = 1135272424821696. Its totient is φ = 120134648128000.

The previous prime is 421222110001001. The next prime is 421222110001087. The reversal of 421222110001044 is 440100011222124.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (421222110001001) and next prime (421222110001087).

It is a super-2 number, since 2×421222110001044² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93855191607 + ... + 93855196094.

It is an arithmetic number, because the mean of its divisors is an integer number (23651508850452).

Almost surely, 2^{421222110001044} is an apocalyptic number.

421222110001044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

421222110001044 is an abundant number, since it is smaller than the sum of its proper divisors (714050314820652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421222110001044 is a wasteful number, since it uses less digits than its factorization.

421222110001044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187710387736 (or 187710387734 counting only the distinct ones).

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

Adding to 421222110001044 its reverse (440100011222124), we get a palindrome (861322121223168).

The spelling of 421222110001044 in words is "four hundred twenty-one trillion, two hundred twenty-two billion, one hundred ten million, one thousand, forty-four".