111421224404 has 12 divisors (see below), whose sum is σ = 222842448864. Its totient is φ = 47751953304.

The previous prime is 111421224401. The next prime is 111421224419. The reversal of 111421224404 is 404422124111.

111421224404 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111421224401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1989664694 + ... + 1989664749.

It is an arithmetic number, because the mean of its divisors is an integer number (18570204072).

Almost surely, 2^111421224404 is an apocalyptic number.

111421224404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

111421224404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

111421224404 is a wasteful number, since it uses less digits than its factorization.

111421224404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3979329454 (or 3979329452 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 111421224404 its reverse (404422124111), we get a palindrome (515843348515).

The spelling of 111421224404 in words is "one hundred eleven billion, four hundred twenty-one million, two hundred twenty-four thousand, four hundred four".