111404013223420 has 48 divisors (see below), whose sum is σ = 235450922988960. Its totient is φ = 44275445570304.

The previous prime is 111404013223367. The next prime is 111404013223423. The reversal of 111404013223420 is 24322310404111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111404013223423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59424642 + ... + 61270678.

It is an arithmetic number, because the mean of its divisors is an integer number (4905227562270).

Almost surely, 2^{111404013223420} is an apocalyptic number.

111404013223420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111404013223420 is an abundant number, since it is smaller than the sum of its proper divisors (124046909765540).

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

111404013223420 is a wasteful number, since it uses less digits than its factorization.

111404013223420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865422 (or 1865420 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 111404013223420 its reverse (24322310404111), we get a palindrome (135726323627531).

The spelling of 111404013223420 in words is "one hundred eleven trillion, four hundred four billion, thirteen million, two hundred twenty-three thousand, four hundred twenty".