111404204030421 has 24 divisors (see below), whose sum is σ = 161217014888384. Its totient is φ = 74131095205440.

The previous prime is 111404204030401. The next prime is 111404204030461. The reversal of 111404204030421 is 124030402404111.

111404204030421 is a `hidden beast` number, since 1 + 1 + 1 + 4 + 0 + 4 + 204 + 0 + 30 + 421 = 666.

It is not a de Polignac number, because 111404204030421 - 2⁷ = 111404204030293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111404204030401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145540920 + ... + 146304366.

Almost surely, 2^{111404204030421} is an apocalyptic number.

It is an amenable number.

111404204030421 is a deficient number, since it is larger than the sum of its proper divisors (49812810857963).

111404204030421 is a wasteful number, since it uses less digits than its factorization.

111404204030421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793641 (or 793638 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 111404204030421 its reverse (124030402404111), we get a palindrome (235434606434532).

The spelling of 111404204030421 in words is "one hundred eleven trillion, four hundred four billion, two hundred four million, thirty thousand, four hundred twenty-one".