111223411420 has 48 divisors (see below), whose sum is σ = 254830248288. Its totient is φ = 40440508160.

The previous prime is 111223411399. The next prime is 111223411423. The reversal of 111223411420 is 24114322111.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 111223411391 and 111223411400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111223411423) 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, 2577462 + ... + 2620258.

It is an arithmetic number, because the mean of its divisors is an integer number (5308963506).

Almost surely, 2^111223411420 is an apocalyptic number.

111223411420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111223411420 is an abundant number, since it is smaller than the sum of its proper divisors (143606836868).

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

111223411420 is a wasteful number, since it uses less digits than its factorization.

111223411420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54630 (or 54628 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 111223411420 its reverse (24114322111), we get a palindrome (135337733531).

The spelling of 111223411420 in words is "one hundred eleven billion, two hundred twenty-three million, four hundred eleven thousand, four hundred twenty".