111422423220 has 96 divisors (see below), whose sum is σ = 312919407360. Its totient is φ = 29623587840.

The previous prime is 111422423207. The next prime is 111422423221. The reversal of 111422423220 is 22324224111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111422423221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41839609 + ... + 41842271.

It is an arithmetic number, because the mean of its divisors is an integer number (3259577160).

Almost surely, 2^111422423220 is an apocalyptic number.

111422423220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111422423220 is an abundant number, since it is smaller than the sum of its proper divisors (201496984140).

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

111422423220 is a wasteful number, since it uses less digits than its factorization.

111422423220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4505 (or 4503 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 111422423220 its reverse (22324224111), we get a palindrome (133746647331).

The spelling of 111422423220 in words is "one hundred eleven billion, four hundred twenty-two million, four hundred twenty-three thousand, two hundred twenty".