421404001112 has 8 divisors (see below), whose sum is σ = 790132502100. Its totient is φ = 210702000552.

The previous prime is 421404001111. The next prime is 421404001141. The reversal of 421404001112 is 211100404124.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421404001111) 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 as a sum of consecutive naturals, namely, 26337750062 + ... + 26337750077.

Almost surely, 2^421404001112 is an apocalyptic number.

It is an amenable number.

421404001112 is a deficient number, since it is larger than the sum of its proper divisors (368728500988).

421404001112 is a wasteful number, since it uses less digits than its factorization.

421404001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52675500145 (or 52675500141 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 421404001112 its reverse (211100404124), we get a palindrome (632504405236).

The spelling of 421404001112 in words is "four hundred twenty-one billion, four hundred four million, one thousand, one hundred twelve".