421111112 has 16 divisors (see below), whose sum is σ = 789868800. Its totient is φ = 210479440.

The previous prime is 421111091. The next prime is 421111151. The reversal of 421111112 is 211111124.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19037 + ... + 34707.

It is an arithmetic number, because the mean of its divisors is an integer number (49366800).

Almost surely, 2^421111112 is an apocalyptic number.

It is an amenable number.

421111112 is a deficient number, since it is larger than the sum of its proper divisors (368757688).

421111112 is a wasteful number, since it uses less digits than its factorization.

421111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19036 (or 19032 counting only the distinct ones).

The product of its digits is 16, while the sum is 14.

The square root of 421111112 is about 20520.9919838199. The cubic root of 421111112 is about 749.5470521357.

Adding to 421111112 its reverse (211111124), we get a palindrome (632222236).

It can be divided in two parts, 4 and 21111112, that multiplied together give a palindrome (84444448).

The spelling of 421111112 in words is "four hundred twenty-one million, one hundred eleven thousand, one hundred twelve".