111204054420 has 24 divisors (see below), whose sum is σ = 311371352544. Its totient is φ = 29654414496.

The previous prime is 111204054419. The next prime is 111204054517. The reversal of 111204054420 is 24450402111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 926700394 + ... + 926700513.

It is an arithmetic number, because the mean of its divisors is an integer number (12973806356).

Almost surely, 2^111204054420 is an apocalyptic number.

111204054420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111204054420 is an abundant number, since it is smaller than the sum of its proper divisors (200167298124).

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

111204054420 is a wasteful number, since it uses less digits than its factorization.

111204054420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853400919 (or 1853400917 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 111204054420 its reverse (24450402111), we get a palindrome (135654456531).

The spelling of 111204054420 in words is "one hundred eleven billion, two hundred four million, fifty-four thousand, four hundred twenty".