111122211424 has 48 divisors (see below), whose sum is σ = 264732336288. Its totient is φ = 44822403072.

The previous prime is 111122211323. The next prime is 111122211427. The reversal of 111122211424 is 424112221111.

It is a super-2 number, since 2×111122211424² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 111122211395 and 111122211404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122211427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14586819 + ... + 14594434.

It is an arithmetic number, because the mean of its divisors is an integer number (5515257006).

Almost surely, 2^111122211424 is an apocalyptic number.

111122211424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

111122211424 is an abundant number, since it is smaller than the sum of its proper divisors (153610124864).

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

111122211424 is a wasteful number, since it uses less digits than its factorization.

111122211424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29181287 (or 29181279 counting only the distinct ones).

The product of its digits is 256, while the sum is 22.

Adding to 111122211424 its reverse (424112221111), we get a palindrome (535234432535).

The spelling of 111122211424 in words is "one hundred eleven billion, one hundred twenty-two million, two hundred eleven thousand, four hundred twenty-four".