111234332123420 has 216 divisors, whose sum is σ = 272814567305280. Its totient is φ = 38060509132800.

The previous prime is 111234332123407. The next prime is 111234332123441. The reversal of 111234332123420 is 24321233432111.

It is a super-2 number, since 2×111234332123420² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3399669821 + ... + 3399702539.

Almost surely, 2^{111234332123420} is an apocalyptic number.

111234332123420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111234332123420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136407283652640).

111234332123420 is an abundant number, since it is smaller than the sum of its proper divisors (161580235181860).

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

111234332123420 is a wasteful number, since it uses less digits than its factorization.

111234332123420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37645 (or 37615 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 111234332123420 its reverse (24321233432111), we get a palindrome (135555565555531).

The spelling of 111234332123420 in words is "one hundred eleven trillion, two hundred thirty-four billion, three hundred thirty-two million, one hundred twenty-three thousand, four hundred twenty".