111144222124440 has 64 divisors (see below), whose sum is σ = 333881432006400. Its totient is φ = 29598568954752.

The previous prime is 111144222124417. The next prime is 111144222124457. The reversal of 111144222124440 is 44421222441111.

It is a super-2 number, since 2×111144222124440² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 623196070 + ... + 623374389.

It is an arithmetic number, because the mean of its divisors is an integer number (5216897375100).

Almost surely, 2^{111144222124440} is an apocalyptic number.

111144222124440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111144222124440 is an abundant number, since it is smaller than the sum of its proper divisors (222737209881960).

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

111144222124440 is a wasteful number, since it uses less digits than its factorization.

111144222124440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246571216 (or 1246571212 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 33.

Adding to 111144222124440 its reverse (44421222441111), we get a palindrome (155565444565551).

The spelling of 111144222124440 in words is "one hundred eleven trillion, one hundred forty-four billion, two hundred twenty-two million, one hundred twenty-four thousand, four hundred forty".